Statistics for Five Longest International Borders by Continent

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Continent	Length (kilometers)	Country	% Correct
Asia / Europe	6,846K, 3,645C, 3,543M, 1,576U, 1,340F, 959B	Russia	99%
North America	8,891	Canada	98%
Asia	4,677M, 3,645R	China	98%
North America	3,141U, 962G	Mexico	98%
North America	8,891C 3,141M	United States	98%
South America	3,400B, 2,200V	Brazil	96%
Africa	2,511A, 2,410R, 1,930Z	DR Congo	96%
Asia	4,677C, 3,543R	Mongolia	96%
Europe	1,576	Ukraine	96%
South America	5,308C, 1,880P	Argentina	95%
South America	5,308	Chile	95%
Asia	6,846	Kazakhstan	95%
Europe	1,340	Finland	94%
Asia	4,053	India	94%
Europe	1,619	Norway	93%
Africa	2,410D, 1,903G	Rep. of Congo	93%
Europe	1,619	Sweden	93%
Europe	959	Belarus	92%
South America	3,400	Bolivia	92%
South America	2,050	Colombia	92%
North America	962	Guatemala	92%
(Indonesia)	820	Papua New Guinea	92%
North America	922	Honduras	91%
South America	1,880	Paraguay	91%
South America	2,200B, 2,050C	Venezuela	91%
North America	922	Nicaragua	89%
North America	360	Haiti	88%
Europe	1,214	Spain	88%
North America	360	Dom. Republic	87%
Europe	1,214	Portugal	87%
Africa	2,511	Angola	85%
Asia	4,053	Bangladesh	84%
Africa	2,237	Mali	81%
Africa	2,237	Mauritania	78%
Africa	1,930	Zambia	78%
Africa	1,903	Gabon	72%