| Rumst to Oignies | 75.27 mi (121.14 km) |
| Rumst to Oissel | 189.95 mi (305.70 km) |
| Rumst to Olivet | 249.44 mi (401.44 km) |
| Rumst to Ollioules | 552.95 mi (889.88 km) |
| Rumst to Olonne-sur-Mer | 421.64 mi (678.56 km) |
| Rumst to Oloron-Sainte-Marie | 593.67 mi (955.42 km) |
| Rumst to Onet Village | 471.78 mi (759.25 km) |
| Rumst to Onnaing | 59.92 mi (96.43 km) |
| Rumst to Orange | 480.20 mi (772.81 km) |
| Rumst to Orchies | 66.27 mi (106.65 km) |
| Rumst to Orleans | 246.88 mi (397.31 km) |
| Rumst to Orly | 185.01 mi (297.74 km) |
| Rumst to Ormesson-sur-Marne | 179.37 mi (288.66 km) |
| Rumst to Orsay | 192.35 mi (309.55 km) |
| Rumst to Orthez | 578.01 mi (930.21 km) |
