| Roeselare to Oignies | 33.34 mi (53.66 km) |
| Roeselare to Oissel | 142.67 mi (229.61 km) |
| Roeselare to Olivet | 219.84 mi (353.80 km) |
| Roeselare to Ollioules | 554.23 mi (891.94 km) |
| Roeselare to Olonne-sur-Mer | 377.38 mi (607.34 km) |
| Roeselare to Oloron-Sainte-Marie | 563.35 mi (906.63 km) |
| Roeselare to Onet Village | 455.24 mi (732.63 km) |
| Roeselare to Onnaing | 43.74 mi (70.39 km) |
| Roeselare to Orange | 476.77 mi (767.29 km) |
| Roeselare to Orchies | 32.90 mi (52.95 km) |
| Roeselare to Orleans | 217.16 mi (349.48 km) |
| Roeselare to Orly | 155.50 mi (250.26 km) |
| Roeselare to Ormesson-sur-Marne | 151.42 mi (243.69 km) |
| Roeselare to Orsay | 160.73 mi (258.67 km) |
| Roeselare to Orthez | 546.45 mi (879.43 km) |
