| Ter Apel to Oerlinghausen | 92.35 mi (148.62 km) |
| Ter Apel to Oestrich-Winkel | 202.77 mi (326.32 km) |
| Ter Apel to Offenburg | 307.01 mi (494.09 km) |
| Ter Apel to Oftersheim | 251.02 mi (403.98 km) |
| Ter Apel to Ohrdruf | 211.11 mi (339.75 km) |
| Ter Apel to Ohringen | 275.16 mi (442.83 km) |
| Ter Apel to Olbernhau | 308.45 mi (496.41 km) |
| Ter Apel to Olching | 373.09 mi (600.43 km) |
| Ter Apel to Oldenburg | 51.44 mi (82.78 km) |
| Ter Apel to Oldenburg in Holstein | 185.10 mi (297.90 km) |
| Ter Apel to Olfen | 81.23 mi (130.73 km) |
| Ter Apel to Olpe | 132.59 mi (213.39 km) |
| Ter Apel to Olsberg | 121.48 mi (195.51 km) |
| Ter Apel to Oranienburg | 258.01 mi (415.23 km) |
| Ter Apel to Ortenberg | 193.99 mi (312.20 km) |
