| Ertvelde to Oignies | 58.95 mi (94.87 km) |
| Ertvelde to Oissel | 172.71 mi (277.94 km) |
| Ertvelde to Olivet | 243.46 mi (391.81 km) |
| Ertvelde to Ollioules | 564.08 mi (907.80 km) |
| Ertvelde to Olonne-sur-Mer | 406.93 mi (654.89 km) |
| Ertvelde to Oloron-Sainte-Marie | 588.01 mi (946.30 km) |
| Ertvelde to Onet Village | 473.72 mi (762.38 km) |
| Ertvelde to Onnaing | 54.99 mi (88.50 km) |
| Ertvelde to Orange | 488.92 mi (786.84 km) |
| Ertvelde to Orchies | 53.30 mi (85.77 km) |
| Ertvelde to Orleans | 240.82 mi (387.56 km) |
| Ertvelde to Orly | 178.60 mi (287.43 km) |
| Ertvelde to Ormesson-sur-Marne | 173.77 mi (279.66 km) |
| Ertvelde to Orsay | 184.82 mi (297.43 km) |
| Ertvelde to Orthez | 571.59 mi (919.89 km) |
