| Average border length in kilometers | Country | % Correct |
|---|---|---|
| 8893 | Canada | 100%
|
| 6024 | United States | 100%
|
| 1603 | China | 97%
|
| 1601 | Russia | 97%
|
| 1722 | Brazil | 95%
|
| 2600 | Chile | 92%
|
| 2313 | India | 90%
|
| 1463 | Mexico | 89%
|
| 4041 | Mongolia | 84%
|
| 2394 | Algeria | 81%
|
| 2673 | Kazakhstan | 79%
|
| 1814 | Pakistan | 77%
|
| 1539 | Vietnam | 59%
|
| 1418 | Thailand | 55%
|
| 1450 | Bolivia | 51%
|
| 1603 | Morocco | 51%
|
| 1756 | Venezuela | 44%
|
| 2207 | Bangladesh | 41%
|
| 1580 | Nepal | 38%
|
| 1552 | Paraguay | 29%
|