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Longest International Borders

Name the countries that lie along the world's 20 longest international borders.
Quiz by Quickman
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Featured Quiz
Last updated: May 20, 2016
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First submittedMarch 14, 2014
Times taken235,309
Average score80.8%
Rating4.99
Quiz and answer stats >>
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4:30
Enter country here:
0
 / 26 guessed
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Keep scrolling down for answers and more stats ...
km
Countries
8,891
Canada
United States
6,846
Russia
Kazakhstan
5,308
Chile
Argentina
4,677
Mongolia
China
4,053
Bangladesh
India
km
Countries
3,645
China
Russia
3,543
Russia
Mongolia
3,400
Brazil
Bolivia
3,380
China
India
3,141
United States
Mexico
km
Countries
2,912
Pakistan
India
2,511
Dem. Rep. of the Congo
Angola
2,430
Pakistan
Afghanistan
2,410
Dem. Rep. of the Congo
Rep. of the Congo
2,237
Mali
Mauritania
km
Countries
2,203
Kazakhstan
Uzbekistan
2,200
Brazil
Venezuela
2,185
China
Myanmar
2,130
Vietnam
Laos
2,050
Colombia
Venezuela
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103 Recent Comments
beekash
+21
Level 57
Apr 29, 2014
The shortest border in the world is Zambia and Botswana - 150 m (that's meters, not miles).
JBlouw1850
+9
Level 43
Nov 2, 2016
The parts of Spain on the African continent include one 85-meter border.
paperdiego
+5
Level 67
Jan 7, 2020
Adding other borders with Morroco the border is kinder, aprox. 15 km, more thank 10 tiene que bordering between Botswana and zambia
wiifly
+10
Level 61
Jan 7, 2020
That's also the place that is closest to a 4-corners in the World on a national level.
AlexThirkell
+29
Level 74
Sep 7, 2020
Actually the shortest border is between Peru and Kyrgyzstan: 0km
always1614
+5
Level 28
Dec 5, 2020
So true! Nice thinking.
queenmaeree
+2
Level 72
Apr 29, 2014
Missed Mali and Uzbekistan.
Miqueas
+3
Level 72
May 11, 2014
According to wikipedia Colombia-VENEZUELA border is 2050km long, not Colombia-Brazil
Quizmaster
+6
Level ∞
May 11, 2014
Thanks. This has been fixed.
Dzuljet17
+5
Level 44
Sep 4, 2014
I missed Vietnam and Laos... shame
Jonathan
+5
Level 28
Dec 5, 2014
24/26 on first try. Missed only Mali + Mauritania. Never have I been more proud of my random geog knowledge..;)
Elan
+1
Level 66
Jan 4, 2015
100% with 49 seconds left. Great quiz.
Cleverer
+1
Level 61
Feb 26, 2015
How did I miss Vietnam?!?!?!
skiesboy
+1
Level 66
May 5, 2015
Got stuck with '2' to go, couldn't think of the partnership, and finally tried DRC, so glad I did,cause I got 100%%%%%%%:) great quiz. thanks
interopia
+2
Level 88
Jul 16, 2015
got 100%! guessed vietnam and laos at the last minute! and i LIVE in vietnam!
TamuAudwodia
+1
Level 66
May 1, 2016
Im so happy that I got a map in my head, so I can see every country and their borders in my head, so it was easy because of that.
TheLetter5
+5
Level 20
May 15, 2016
What about Norway and Sweden? That border is huge!
Arp2600
+10
Level 88
May 16, 2016
Yeah, it is huge... on a Mercator projection map.
smt42
+3
Level 19
Jan 16, 2019
But still pretty huge, over 1600km long
PenguinTorpedo
+2
Level 49
Dec 7, 2020
europe=small

this is the answer to half of the questions in life

Jerry928
+3
Level 76
May 16, 2016
It might be worth mentioning in the instructions that borders can be broken - for example, Russia-China is broken in two by Mongolia, and the 3,645 km is the aggregate of the two lengths.
brainchild
+1
Level 69
May 16, 2016
100% with 59 seconds still on the clock!! Cool quiz idea!
Olinguito
+1
Level 45
May 18, 2016
Got the lot with 24 seconds to spare.
Devvik2
+1
Level 74
Jul 24, 2016
Sweden and Norway have a long border.
smt42
+1
Level 19
Jan 16, 2019
1600 km
kolovozzz
+1
Level 32
Aug 6, 2016
I missed: Bangladesh, Myanmar, Uzbekistan, Congo and DR Congo 😒
DonStar
+1
Level 40
Sep 5, 2016
Phew managed to get through that unscathed my memory must be back
mariolebrone
+1
Level 41
Oct 17, 2016
I missed Los. I tried every Asian except for Laos.
BrennoAU
+1
Level 42
Nov 1, 2020
It's Laos and Vietnam..... Vietnam borders 3 countries
LyRiKH
+1
Level 51
Dec 11, 2016
Dang it, missed Afghanistan. I thought I went through all my "-stan" countries...obviously not!
Keltonet
+1
Level 65
Feb 8, 2017
norway sweden?
always1614
+1
Level 28
Dec 5, 2020
That border is still pretty bug at 1600 km, although just a tiny bit too small for this quiz. ;)
FactoFanatic
+1
Level 68
Feb 8, 2017
100%!!
mahble
+2
Level 79
Aug 10, 2017
Did not expect Vietnam and Laos... only one I missed :(
Malbaby
+1
Level 70
Sep 19, 2017
Just got Colombia with 1 second remaining........
Ereswent
+1
Level 32
Dec 19, 2017
Got them all with 1 minute to spare!
PacoGee
+4
Level 44
Mar 13, 2018
Brasil is not spelled with a Z ;)
Harricla
+7
Level 12
Mar 14, 2018
It is in America.
TomatosRaafatos
+3
Level 75
Nov 14, 2024
In English you mean.
Lewons
+1
Level 32
Mar 30, 2018
Got them all first go..Almost missed Burma with 7 seconds to go,
Pibeplei
+1
Level 6
Apr 4, 2018
Only missed Vietnam-Laos, and Mali-Mauritania
Aleksandro
+1
Level 48
May 26, 2018
Nailed it first try with 54 seconds left. Really cool quiz though!
rphxx
+2
Level 71
May 29, 2018
How is Laos-Vietnam longer than Sudan-Chad for example?
fakeplastictrees
+2
Level 52
Jul 23, 2021
Rivers/terrain vs straight lines. Rivers and terrain meander which makes their lengths significantly longer than they appear.
coxbury
+3
Level 57
May 30, 2018
interesting that no-one else had problems with angola
eduardocesario
+1
Level 72
Aug 4, 2018
2:26 remaining. what am i doing?
gzx5
+1
Level 73
Aug 4, 2018
Hey completely off topic sorry, but there was a quiz several months ago on Jetpunk about the wealthiest countries GDP per capita for 2018 and the number one was Luxembourg. I want to look at the source to verfiy it but does anyone remember the name of that quiz on here?
Quizmaster
+3
Level ∞
Aug 4, 2018
Here's our official quiz on the subject. Monaco is #1.
gzx5
+1
Level 73
Aug 8, 2018
Thanks. Is Monaco still #1 for that in 2018?
MrSchickadance
+1
Level 63
Aug 5, 2018
100%!!! YES!
bigbird54
+1
Level 49
Aug 7, 2018
what about norway and Sweden
Carry
+3
Level 63
Mar 1, 2019
Their border looks very long compared to other European borders but not compared to the ones in this quiz. "Only" 1,619 km.
AHumanPerson
+2
Level 36
Jul 6, 2019
It is however the longest in Europe
PenguinTorpedo
+1
Level 49
Dec 7, 2020
europe=small

this is the answer to half of the questions in life

Kaspar278
+1
Level 61
Jan 1, 2019
Missed Laos, Mali and Mauritania. :(
Grilluq
+1
Level 27
Mar 16, 2019
ez pz
edvard25
+1
Level 46
Nov 9, 2019
How can Bangladesh–India border be soooo long?
TurkeyCookTime
+4
Level 82
Nov 10, 2019
The border has all sorts of zigzags, lines and is just really ridiculous. Look at it on Google Maps
savakiri
+1
Level 16
Apr 22, 2020
This was weird but i somehow made it
MightyMapper
+1
Level 23
Apr 29, 2020
I did not expect mali mauritania!
Zych
+1
Level 67
Aug 22, 2020
1:35 left :DDD
NHG
+1
Level 48
Sep 10, 2020
There are quite a few comments above re Norway/Sweden... something one would only think if one uses a Mercator map. Out of interest, do any of your school systems still use the Mercator projection? I know the US school system still does, but am curious of any others.
always1614
+2
Level 28
Dec 5, 2020
It is still 1600 km, which is fairly long, but yes it is too short to make the cut.
PenguinTorpedo
+2
Level 49
Dec 7, 2020
europe=small

this is the answer to half of the questions in life

Dollyfroggy
+5
Level 63
Sep 25, 2021
I’m not sure you read this comment. Did you just paste it when seeing Norway-Sweden?
bigaquarium
+1
Level 31
Nov 1, 2020
Glad I'm in good company with the only two I missed, lol!
Nathaniel
+1
Level 75
Dec 5, 2020
first try 0:24 left
monaandmaisha
+1
Level 23
Dec 7, 2020
ez
PenguinTorpedo
+3
Level 49
Dec 7, 2020
how is bangladesh-india boder so long if bangladesh is comparatively tiny??
JamesVI
+1
Level 65
Jan 15, 2021
Yes! First time, I did not expect that in a million years!
3Timi3
+1
Level 28
Jan 30, 2021
missed Angola
SpartanLlama
+1
Level 74
Jun 12, 2021
Missed Angola, Mali, Mauritania
NathanB001
+1
Level 33
Jul 8, 2021
I think there are some mistakes here. Algeria, Libya, and Egypt are not on this list, and yet Bangladesh, which is a tiny country, is, and so is Laos.
naginisnake7
+1
Level 37
Apr 26, 2023
India surrounds Bangladesh on three sides, and Laos may be small, but it is also long.
GeographyPerson2
+1
Level 32
Jul 8, 2021
Missed Angola.
QuizApe
+2
Level 69
Aug 9, 2021
It is hard to believe that the India-Bangladesh border is longer than the United States-Mexico border.
Dollyfroggy
+1
Level 63
Sep 25, 2021
If you like this quiz, try this one:

https://www.jetpunk.com/user-quizzes/1306568/countries-of-the-world-by-longest-bordering-country

Mthd
+1
Level 32
Oct 1, 2021
This is subjective because of the coastline paradox.
GrantisAtlantis3
+1
Level 25
Dec 19, 2021
How did I manage to miss Bolivia, Pakistan, and Afghanistan???
JALENRAMSEY05
+1
Level 24
Dec 30, 2021
I missed Chile -_-
elaf
+1
Level 28
Mar 3, 2022
easily done
swordfern
+1
Level 31
Apr 20, 2022
I kept guessing 'Khazakstan' and wondering why it wasn't showing up. Spelling! *sigh*
tetraaa
+2
Level 33
Jun 3, 2022
why was the "brasil" type in not accepted for brazil?
mikeyheath92
+4
Level 49
Dec 5, 2022
Because this is an English-language quiz, and the name of that particular country in English is Brazil.
ooftownroad
+1
Level 64
Nov 14, 2024
Brasil is an automatic type in now, so it really should be updated
YTBRSosyalEmre
+1
Level 65
Jun 30, 2022
at first attempt i got 2 second left ... OMG
cruelcalifornia
+1
Level 32
Jul 19, 2022
only missed Mauritania
Mees11
+1
Level 37
Aug 28, 2022
Got it with 2:20 left
Pjoco
+1
Level 61
Dec 5, 2022
..the easiest one...
KPEFC05
+2
Level 41
Dec 5, 2022
I did consider guessing Afghanistan and Uzbekistan, but I talked myself out of it.

Not the best decision.

PesuKonehh
+1
Level 53
Dec 19, 2022
Mali and Mauritania took me a bit since I went thru the americas asia europe and a thing that surprised me was that malaysia and indonesia wasn't there since i thought they had quite a long of an border but tookme a minute to get mali
naginisnake7
+1
Level 37
Apr 26, 2023
No Norway/Sweden?
ooftownroad
+1
Level 64
Nov 14, 2024
Europe is really small as a whole, so the borders aren't as big as one would think
yummypizza491
+1
Level 46
Jun 7, 2023
that was pretty easy

but hard at the same time.

i like it! :)

ChanceZaMan
+1
Level 53
Oct 9, 2023
Got all 26 with 1 second left. #goodvibes
CharlieBlue
+1
Level 23
Mar 1, 2024
Forgot Mali-Mauritania border...
VincentCanQuiz
+1
Level 56
Mar 16, 2024
I've gotta stop typing Mauritabia instead of Mauritania
EJDubs
+2
Level 18
May 27, 2024
I've gotta stop typing "myamnar"
RCasey
+1
Level 30
May 30, 2024
Forgot Chile & Argentina. No idea how.
NIKOLA522
+2
Level 32
Jun 10, 2024
Yay i just got badge
Djaro
+1
Level 50
Dec 5, 2024
Surprisingly easy, just listing the biggest countries got me at least one of almost every border, after which I could deduce it. Only the Vietnam-Laos one was difficult because it's two relatively small but long countries.
Lobito
+1
Level 28
Feb 18, 2025
26/26 4:15 first time yay
Lobito
+1
Level 28
Feb 18, 2025
I don't know how Algeria/Libya border isn't here and it's quite strange Bangladesh being here, I thought it was a small coutnry
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