| Total length of land borders (km) | Country | % Correct |
|---|---|---|
| 14,691 | Brazil | 100%
|
| 22,147 | China | 100%
|
| 20,017 | Russia | 100%
|
| 12,034 | United States of America | 99%
|
| 8,893 | Canada | 97%
|
| 14,103.1 | India | 97%
|
| 10,730 | Democratic Republic of the Congo | 96%
|
| 9,665 | Argentina | 92%
|
| 8,220 | Mongolia | 92%
|
| 6,171 | Chile | 90%
|
| 12,012 | Kazakhstan | 87%
|
| 6,774 | Pakistan | 85%
|
| 6,764 | Sudan | 83%
|
| 5,968 | Chad | 79%
|
| 6,343 | Algeria | 77%
|
| 6,743 | Bolivia | 76%
|
| 7,243 | Mali | 72%
|
| 6,004 | Colombia | 69%
|
| 6,221 | Uzbekistan | 66%
|
| 5,876 | Myanmar | 49%
|