| Mouscron to Oignies | 20.71 mi (33.32 km) |
| Mouscron to Oissel | 134.67 mi (216.72 km) |
| Mouscron to Olivet | 206.93 mi (333.01 km) |
| Mouscron to Ollioules | 539.07 mi (867.54 km) |
| Mouscron to Olonne-sur-Mer | 368.61 mi (593.22 km) |
| Mouscron to Oloron-Sainte-Marie | 551.02 mi (886.79 km) |
| Mouscron to Onet Village | 440.92 mi (709.59 km) |
| Mouscron to Onnaing | 29.16 mi (46.92 km) |
| Mouscron to Orange | 461.68 mi (743.01 km) |
| Mouscron to Orchies | 17.91 mi (28.82 km) |
| Mouscron to Orleans | 204.26 mi (328.72 km) |
| Mouscron to Orly | 142.29 mi (228.99 km) |
| Mouscron to Ormesson-sur-Marne | 137.92 mi (221.96 km) |
| Mouscron to Orsay | 147.94 mi (238.09 km) |
| Mouscron to Orthez | 534.36 mi (859.96 km) |
