| Kortemark to Oignies | 38.71 mi (62.31 km) |
| Kortemark to Oissel | 145.06 mi (233.46 km) |
| Kortemark to Olivet | 224.61 mi (361.47 km) |
| Kortemark to Ollioules | 560.70 mi (902.36 km) |
| Kortemark to Olonne-sur-Mer | 379.88 mi (611.36 km) |
| Kortemark to Oloron-Sainte-Marie | 567.69 mi (913.61 km) |
| Kortemark to Onet Village | 460.84 mi (741.66 km) |
| Kortemark to Onnaing | 50.47 mi (81.22 km) |
| Kortemark to Orange | 483.09 mi (777.46 km) |
| Kortemark to Orchies | 39.25 mi (63.17 km) |
| Kortemark to Orleans | 221.92 mi (357.15 km) |
| Kortemark to Orly | 160.50 mi (258.30 km) |
| Kortemark to Ormesson-sur-Marne | 156.59 mi (252.01 km) |
| Kortemark to Orsay | 165.48 mi (266.31 km) |
| Kortemark to Orthez | 550.66 mi (886.21 km) |
