| Montigny-en-Gohelle to Oignies | 4.01 mi (6.45 km) |
| Montigny-en-Gohelle to Oissel | 111.02 mi (178.67 km) |
| Montigny-en-Gohelle to Olivet | 183.15 mi (294.75 km) |
| Montigny-en-Gohelle to Ollioules | 522.04 mi (840.14 km) |
| Montigny-en-Gohelle to Olonne-sur-Mer | 344.36 mi (554.20 km) |
| Montigny-en-Gohelle to Oloron-Sainte-Marie | 526.87 mi (847.91 km) |
| Montigny-en-Gohelle to Onet Village | 419.15 mi (674.56 km) |
| Montigny-en-Gohelle to Onnaing | 29.56 mi (47.58 km) |
| Montigny-en-Gohelle to Orange | 443.37 mi (713.53 km) |
| Montigny-en-Gohelle to Orchies | 14.21 mi (22.87 km) |
| Montigny-en-Gohelle to Orleans | 180.47 mi (290.43 km) |
| Montigny-en-Gohelle to Orly | 118.80 mi (191.20 km) |
| Montigny-en-Gohelle to Ormesson-sur-Marne | 114.80 mi (184.75 km) |
| Montigny-en-Gohelle to Orsay | 124.05 mi (199.64 km) |
| Montigny-en-Gohelle to Orthez | 510.09 mi (820.91 km) |
