| Saint-Nicolas to Oignies | 112.06 mi (180.35 km) |
| Saint-Nicolas to Oissel | 216.52 mi (348.45 km) |
| Saint-Nicolas to Olivet | 251.85 mi (405.31 km) |
| Saint-Nicolas to Ollioules | 517.99 mi (833.62 km) |
| Saint-Nicolas to Olonne-sur-Mer | 437.42 mi (703.96 km) |
| Saint-Nicolas to Oloron-Sainte-Marie | 589.58 mi (948.83 km) |
| Saint-Nicolas to Onet Village | 454.18 mi (730.93 km) |
| Saint-Nicolas to Onnaing | 86.70 mi (139.54 km) |
| Saint-Nicolas to Orange | 450.03 mi (724.25 km) |
| Saint-Nicolas to Orchies | 101.08 mi (162.67 km) |
| Saint-Nicolas to Orleans | 249.54 mi (401.59 km) |
| Saint-Nicolas to Orly | 191.67 mi (308.46 km) |
| Saint-Nicolas to Ormesson-sur-Marne | 184.91 mi (297.58 km) |
| Saint-Nicolas to Orsay | 200.63 mi (322.88 km) |
| Saint-Nicolas to Orthez | 575.51 mi (926.19 km) |
