| Rank | Length (km) | Country | % Correct |
|---|---|---|---|
| 3 | 4847925 | China | 100%
|
| 8 | 977328 | France | 100%
|
| 14 | 774570 | Germany | 100%
|
| 2 | 5904876 | India | 100%
|
| 21 | 409926 | Mexico | 100%
|
| 20 | 400740 | United Kingdom | 100%
|
| 1 | 6961418 | United States | 100%
|
| 10 | 923349 | Australia | 98%
|
| 4 | 1751879 | Brazil | 98%
|
| 16 | 116350 | Italy | 98%
|
| 5 | 1531437 | Russia | 98%
|
| 13 | 700284 | Spain | 98%
|
| 23 | 232108 | Argentina | 96%
|
| 7 | 1042469 | Canada | 96%
|
| 6 | 1225021 | Japan | 96%
|
| 19 | 428118 | Poland | 96%
|
| 22 | 264158 | Pakistan | 94%
|
| 9 | 950999 | Indonesia | 92%
|
| 11 | 750028 | South Africa | 88%
|
| 15 | 579769 | Sweden | 88%
|
| 18 | 429195 | Turkey | 88%
|
| 24 | 225263 | Saudi Arabia | 86%
|
| 26 | 216367 | Iran | 84%
|
| 28 | 199790 | Vietnam | 82%
|
| 12 | 702368 | Thailand | 80%
|
| 29 | 193200 | Nigeria | 69%
|
| 17 | 138000 | Finland | 67%
|
| 25 | 217874 | Philippines | 61%
|
| 27 | 212773 | Hungary | 31%
|
| 30 | 183496 | Uzbekistan | 12%
|