| Odenthal to Oberkirch | 178.03 mi (286.51 km) |
| Odenthal to Obernburg am Main | 121.39 mi (195.35 km) |
| Odenthal to Obernkirchen | 120.90 mi (194.57 km) |
| Odenthal to Oberschleissheim | 276.72 mi (445.33 km) |
| Odenthal to Oberstdorf | 288.12 mi (463.69 km) |
| Odenthal to Obertraubling | 265.83 mi (427.81 km) |
| Odenthal to Obertshausen | 100.69 mi (162.05 km) |
| Odenthal to Oberursel | 85.94 mi (138.31 km) |
| Odenthal to Ochsenfurt | 161.40 mi (259.75 km) |
| Odenthal to Ochsenhausen | 240.72 mi (387.40 km) |
| Odenthal to Ochtrup | 81.06 mi (130.45 km) |
| Odenthal to Oelde | 70.97 mi (114.21 km) |
| Odenthal to Oelsnitz | 224.91 mi (361.95 km) |
| Odenthal to Oer-Erkenschwick | 42.47 mi (68.34 km) |
| Odenthal to Oerlinghausen | 92.75 mi (149.27 km) |
