| Wemmel to Oignies | 65.00 mi (104.61 km) |
| Wemmel to Oissel | 178.96 mi (288.01 km) |
| Wemmel to Olivet | 236.90 mi (381.25 km) |
| Wemmel to Ollioules | 542.24 mi (872.65 km) |
| Wemmel to Olonne-sur-Mer | 409.87 mi (659.63 km) |
| Wemmel to Oloron-Sainte-Marie | 581.09 mi (935.18 km) |
| Wemmel to Onet Village | 459.52 mi (739.53 km) |
| Wemmel to Onnaing | 47.76 mi (76.86 km) |
| Wemmel to Orange | 468.94 mi (754.69 km) |
| Wemmel to Orchies | 55.39 mi (89.14 km) |
| Wemmel to Orleans | 234.33 mi (377.12 km) |
| Wemmel to Orly | 172.51 mi (277.62 km) |
| Wemmel to Ormesson-sur-Marne | 166.83 mi (268.49 km) |
| Wemmel to Orsay | 179.90 mi (289.52 km) |
| Wemmel to Orthez | 565.44 mi (909.99 km) |
