| Oosterhout to Oberkirch | 258.06 mi (415.31 km) |
| Oosterhout to Obernburg am Main | 224.92 mi (361.97 km) |
| Oosterhout to Obernkirchen | 186.44 mi (300.05 km) |
| Oosterhout to Oberschleissheim | 379.17 mi (610.21 km) |
| Oosterhout to Oberstdorf | 380.17 mi (611.83 km) |
| Oosterhout to Obertraubling | 371.62 mi (598.06 km) |
| Oosterhout to Obertshausen | 204.76 mi (329.53 km) |
| Oosterhout to Oberursel | 190.09 mi (305.92 km) |
| Oosterhout to Ochsenfurt | 266.48 mi (428.86 km) |
| Oosterhout to Ochsenhausen | 334.96 mi (539.06 km) |
| Oosterhout to Ochtrup | 106.75 mi (171.79 km) |
| Oosterhout to Odenthal | 106.25 mi (170.99 km) |
| Oosterhout to Oelde | 141.50 mi (227.72 km) |
| Oosterhout to Oelsnitz | 328.59 mi (528.81 km) |
| Oosterhout to Oer-Erkenschwick | 102.64 mi (165.18 km) |
