Pop.
|
U.S. City
|
Pop.
|
Canadian City
|
670,031
|
Detroit
|
217,188
|
Windsor
|
255,244
|
Buffalo
|
30,710
|
Fort Erie
|
1,534
|
Sumas
|
141,397
|
Abbotsford
|
47,720
|
Niagara Falls
|
88,071
|
Niagara Falls
|
13,420
|
Sault Ste. Marie
|
73,368
|
Sault Ste. Marie
|
30,184
|
Port Huron
|
71,594
|
Sarnia
|
|
|
|
|
Pop.
|
U.S. City
|
Pop.
|
Mexican City
|
1,423,852
|
San Diego
|
1,300,983
|
Tijuana
|
27,440
|
Imperial Beach
|
681,728
|
El Paso
|
1,321,004
|
Ciudad Juárez
|
|
Pop.
|
U.S. City
|
Pop.
|
Mexican City
|
39,825
|
Calexico
|
1,032,686
|
Mexicali
|
143,268
|
McAllen
|
612,183
|
Reynosa
|
182,781
|
Brownsville
|
520,367
|
Matamoros
|
262,491
|
Laredo
|
373,725
|
Nuevo Laredo
|
20,103
|
Nogales
|
220,292
|
Nogales
|
35,760
|
Del Rio
|
216,099
|
Ciudad Acuña
|
34,778
|
San Luis
|
192,739
|
San Luis Río Colorado
|
29,684
|
Eagle Pass
|
163,595
|
Piedras Negras
|
16,193
|
Douglas
|
79,138
|
Agua Prieta
|
207
|
Tecate
|
72,860
|
Tecate
|
|
Delta, BC (pop. 113,347) to Point Roberts, WA (pop. 1,191)?
Surrey, BC (pop. 633,234) to Blaine, WA (pop. 6,018)?
(And while we're at it, one to keep an eye on because it's just shy of qualifying: Cornwall, ON (pop. 49,442) to Massena, NY (pop. 12,356)...)
Otherwise, fun quiz! Thanks and nommed!