| Marum to Octeville | 418.62 mi (673.71 km) |
| Marum to Oignies | 232.02 mi (373.41 km) |
| Marum to Oissel | 345.26 mi (555.65 km) |
| Marum to Olivet | 412.37 mi (663.65 km) |
| Marum to Ollioules | 691.93 mi (1,113.56 km) |
| Marum to Olonne-sur-Mer | 579.90 mi (933.25 km) |
| Marum to Oloron-Sainte-Marie | 756.45 mi (1,217.39 km) |
| Marum to Onet Village | 629.36 mi (1,012.86 km) |
| Marum to Onnaing | 222.32 mi (357.79 km) |
| Marum to Orange | 626.16 mi (1,007.70 km) |
| Marum to Orchies | 225.43 mi (362.79 km) |
| Marum to Orleans | 409.81 mi (659.52 km) |
| Marum to Orly | 347.90 mi (559.89 km) |
| Marum to Ormesson-sur-Marne | 342.30 mi (550.87 km) |
| Marum to Orsay | 355.08 mi (571.45 km) |
