| Roosendaal to Oberkirch | 262.55 mi (422.53 km) |
| Roosendaal to Obernburg am Main | 236.29 mi (380.27 km) |
| Roosendaal to Obernkirchen | 205.31 mi (330.41 km) |
| Roosendaal to Oberschleissheim | 389.35 mi (626.60 km) |
| Roosendaal to Oberstdorf | 386.64 mi (622.23 km) |
| Roosendaal to Obertraubling | 384.06 mi (618.09 km) |
| Roosendaal to Obertshausen | 216.53 mi (348.47 km) |
| Roosendaal to Oberursel | 202.02 mi (325.12 km) |
| Roosendaal to Ochsenfurt | 278.51 mi (448.23 km) |
| Roosendaal to Ochsenhausen | 342.32 mi (550.90 km) |
| Roosendaal to Ochtrup | 125.79 mi (202.43 km) |
| Roosendaal to Odenthal | 120.30 mi (193.61 km) |
| Roosendaal to Oelde | 159.83 mi (257.23 km) |
| Roosendaal to Oelsnitz | 344.29 mi (554.08 km) |
| Roosendaal to Oer-Erkenschwick | 120.46 mi (193.87 km) |
