| Gignac-la-Nerthe to Oignies | 500.15 mi (804.92 km) |
| Gignac-la-Nerthe to Oissel | 455.86 mi (733.64 km) |
| Gignac-la-Nerthe to Olivet | 348.32 mi (560.56 km) |
| Gignac-la-Nerthe to Ollioules | 35.40 mi (56.98 km) |
| Gignac-la-Nerthe to Olonne-sur-Mer | 405.40 mi (652.43 km) |
| Gignac-la-Nerthe to Oloron-Sainte-Marie | 294.07 mi (473.26 km) |
| Gignac-la-Nerthe to Onet Village | 147.73 mi (237.75 km) |
| Gignac-la-Nerthe to Onnaing | 489.39 mi (787.60 km) |
| Gignac-la-Nerthe to Orange | 55.69 mi (89.63 km) |
| Gignac-la-Nerthe to Orchies | 498.17 mi (801.73 km) |
| Gignac-la-Nerthe to Orleans | 350.47 mi (564.03 km) |
| Gignac-la-Nerthe to Orly | 393.94 mi (633.98 km) |
| Gignac-la-Nerthe to Ormesson-sur-Marne | 394.31 mi (634.57 km) |
| Gignac-la-Nerthe to Orsay | 394.52 mi (634.92 km) |
| Gignac-la-Nerthe to Orthez | 301.33 mi (484.95 km) |
