| Odenthal to Oestrich-Winkel | 81.26 mi (130.77 km) |
| Odenthal to Offenburg | 181.04 mi (291.36 km) |
| Odenthal to Oftersheim | 131.95 mi (212.35 km) |
| Odenthal to Ohrdruf | 158.09 mi (254.42 km) |
| Odenthal to Ohringen | 164.89 mi (265.36 km) |
| Odenthal to Olbernhau | 272.28 mi (438.19 km) |
| Odenthal to Olching | 271.34 mi (436.68 km) |
| Odenthal to Oldenburg | 153.08 mi (246.36 km) |
| Odenthal to Oldenburg in Holstein | 275.33 mi (443.10 km) |
| Odenthal to Olfen | 48.60 mi (78.21 km) |
| Odenthal to Olpe | 31.16 mi (50.15 km) |
| Odenthal to Olsberg | 63.09 mi (101.54 km) |
| Odenthal to Oranienburg | 286.65 mi (461.32 km) |
| Odenthal to Ortenberg | 96.90 mi (155.94 km) |
| Odenthal to Oschatz | 260.12 mi (418.63 km) |
