| Ter Apel to Navodari | 1,141.97 mi (1,837.83 km) |
| Ter Apel to Negresti-Oas | 797.38 mi (1,283.25 km) |
| Ter Apel to Nehoiu | 1,009.04 mi (1,623.90 km) |
| Ter Apel to Ocna Mures | 872.11 mi (1,403.53 km) |
| Ter Apel to Odobesti | 1,021.33 mi (1,643.67 km) |
| Ter Apel to Odorheiu Secuiesc | 930.58 mi (1,497.62 km) |
| Ter Apel to Oltenita | 1,077.35 mi (1,733.82 km) |
| Ter Apel to Onesti | 990.03 mi (1,593.30 km) |
| Ter Apel to Oradea | 770.39 mi (1,239.82 km) |
| Ter Apel to Orastie | 870.49 mi (1,400.92 km) |
| Ter Apel to Oravita | 853.57 mi (1,373.69 km) |
| Ter Apel to Orsova | 893.64 mi (1,438.17 km) |
| Ter Apel to Otelu Rosu | 854.54 mi (1,375.24 km) |
| Ter Apel to Otopeni | 1,035.22 mi (1,666.02 km) |
| Ter Apel to Ovidiu | 1,142.14 mi (1,838.09 km) |
