| Clarksburg to Nowy Dwor Mazowiecki | 4,433.96 mi (7,135.77 km) |
| Clarksburg to Nowy Sacz | 4,536.38 mi (7,300.59 km) |
| Clarksburg to Nowy Targ | 4,516.47 mi (7,268.55 km) |
| Clarksburg to Nowy Tomysl | 4,270.76 mi (6,873.12 km) |
| Clarksburg to Nysa | 4,378.54 mi (7,046.58 km) |
| Clarksburg to Oborniki | 4,284.86 mi (6,895.81 km) |
| Clarksburg to Oborniki Slaskie | 4,333.69 mi (6,974.40 km) |
| Clarksburg to Olawa | 4,361.23 mi (7,018.73 km) |
| Clarksburg to Olecko | 4,438.42 mi (7,142.95 km) |
| Clarksburg to Olesnica | 4,355.15 mi (7,008.94 km) |
| Clarksburg to Olesno | 4,405.24 mi (7,089.55 km) |
| Clarksburg to Olkusz | 4,469.59 mi (7,193.11 km) |
| Clarksburg to Olsztyn | 4,377.44 mi (7,044.80 km) |
| Clarksburg to Opalenica | 4,281.43 mi (6,890.30 km) |
| Clarksburg to Opoczno | 4,456.61 mi (7,172.22 km) |
