| Borders | Country | % Correct |
|---|---|---|
| Uruguay | Brazil | 92%
|
| Uruguay | Argentina | 91%
|
| Ukraine | Russia | 89%
|
| United States | Canada | 87%
|
| United States | Mexico | 87%
|
| Uzbekistan | Kazakhstan | 86%
|
| Uzbekistan | Turkmenistan | 85%
|
| Uganda | Kenya | 83%
|
| Uzbekistan | Tajikistan | 83%
|
| United Kingdom | Ireland | 82%
|
| Uganda | Rwanda | 82%
|
| Uzbekistan | Kyrgyzstan | 79%
|
| Uganda | D.R. Congo | 77%
|
| United Arab Emirates | Saudi Arabia | 75%
|
| Ukraine | Belarus | 72%
|
| Uganda | Tanzania | 72%
|
| Ukraine | Romania | 71%
|
| Ukraine | Moldova | 69%
|
| United Arab Emirates | Oman | 69%
|
| Ukraine | Poland | 67%
|
| Uzbekistan | Afghanistan | 66%
|
| Uganda | South Sudan | 66%
|
| Ukraine | Hungary | 55%
|
| Ukraine | Slovakia | 50%
|