| Ratekau to Oerlinghausen | 161.78 mi (260.35 km) |
| Ratekau to Oestrich-Winkel | 296.62 mi (477.37 km) |
| Ratekau to Offenburg | 397.69 mi (640.02 km) |
| Ratekau to Oftersheim | 329.49 mi (530.27 km) |
| Ratekau to Ohrdruf | 215.70 mi (347.14 km) |
| Ratekau to Ohringen | 332.42 mi (534.99 km) |
| Ratekau to Olbernhau | 252.00 mi (405.56 km) |
| Ratekau to Olching | 398.09 mi (640.66 km) |
| Ratekau to Oldenburg | 117.46 mi (189.04 km) |
| Ratekau to Oldenburg in Holstein | 24.93 mi (40.13 km) |
| Ratekau to Olfen | 208.20 mi (335.06 km) |
| Ratekau to Olpe | 236.52 mi (380.65 km) |
| Ratekau to Olsberg | 202.87 mi (326.49 km) |
| Ratekau to Oranienburg | 132.22 mi (212.78 km) |
| Ratekau to Ortenberg | 258.30 mi (415.70 km) |
