| Ter Apel to Oberkirch | 303.34 mi (488.18 km) |
| Ter Apel to Obernburg am Main | 228.14 mi (367.15 km) |
| Ter Apel to Obernkirchen | 96.13 mi (154.70 km) |
| Ter Apel to Oberschleissheim | 375.69 mi (604.62 km) |
| Ter Apel to Oberstdorf | 403.56 mi (649.47 km) |
| Ter Apel to Obertraubling | 349.76 mi (562.89 km) |
| Ter Apel to Obertshausen | 208.53 mi (335.60 km) |
| Ter Apel to Oberursel | 195.80 mi (315.11 km) |
| Ter Apel to Ochsenfurt | 257.96 mi (415.15 km) |
| Ter Apel to Ochsenhausen | 355.28 mi (571.77 km) |
| Ter Apel to Ochtrup | 46.62 mi (75.02 km) |
| Ter Apel to Odenthal | 127.31 mi (204.89 km) |
| Ter Apel to Oelde | 85.46 mi (137.53 km) |
| Ter Apel to Oelsnitz | 277.03 mi (445.83 km) |
| Ter Apel to Oer-Erkenschwick | 85.60 mi (137.76 km) |
