| Mulsen to Octeville | 632.73 mi (1,018.27 km) |
| Mulsen to Oignies | 420.26 mi (676.34 km) |
| Mulsen to Oissel | 518.12 mi (833.83 km) |
| Mulsen to Olivet | 519.85 mi (836.61 km) |
| Mulsen to Ollioules | 613.29 mi (987.00 km) |
| Mulsen to Olonne-sur-Mer | 715.15 mi (1,150.92 km) |
| Mulsen to Oloron-Sainte-Marie | 809.32 mi (1,302.48 km) |
| Mulsen to Onet Village | 639.96 mi (1,029.92 km) |
| Mulsen to Onnaing | 394.48 mi (634.86 km) |
| Mulsen to Orange | 582.45 mi (937.36 km) |
| Mulsen to Orchies | 409.26 mi (658.65 km) |
| Mulsen to Orleans | 518.31 mi (834.14 km) |
| Mulsen to Orly | 474.71 mi (763.97 km) |
| Mulsen to Ormesson-sur-Marne | 467.49 mi (752.35 km) |
| Mulsen to Orsay | 484.58 mi (779.86 km) |
