| Length (km) | Country | % Correct |
|---|---|---|
| 0.3 | Vatican City | 96%
|
| 1.7 | Monaco | 83%
|
| 275 | Luxembourg | 79%
|
| 9.5 | Liechtenstein | 75%
|
| 240 | Singapore | 67%
|
| 13 | Brunei | 54%
|
| 57 | Nepal | 50%
|
| 127 | Guyana | 46%
|
| 250 | Montenegro | 46%
|
| 1.6 | Lesotho | 42%
|
| 264 | United Arab Emirates | 42%
|
| 92 | Djibouti | 38%
|
| 65 | Jamaica | 33%
|
| 58 | Saint Kitts and Nevis | 33%
|
| 166 | Suriname | 33%
|
| 75 | Afghanistan | 25%
|
| 278 | Costa Rica | 25%
|
| 84 | Sierra Leone | 21%
|
| 3.9 | Nauru | 17%
|
| 38 | Paraguay | 4%
|