| Saint-Pol-sur-Mer to Octeville | 200.82 mi (323.18 km) |
| Saint-Pol-sur-Mer to Oignies | 48.12 mi (77.44 km) |
| Saint-Pol-sur-Mer to Oissel | 129.21 mi (207.95 km) |
| Saint-Pol-sur-Mer to Olivet | 219.76 mi (353.66 km) |
| Saint-Pol-sur-Mer to Ollioules | 569.47 mi (916.48 km) |
| Saint-Pol-sur-Mer to Olonne-sur-Mer | 362.63 mi (583.59 km) |
| Saint-Pol-sur-Mer to Oloron-Sainte-Marie | 558.87 mi (899.41 km) |
| Saint-Pol-sur-Mer to Onet Village | 460.71 mi (741.44 km) |
| Saint-Pol-sur-Mer to Onnaing | 70.63 mi (113.67 km) |
| Saint-Pol-sur-Mer to Orange | 489.86 mi (788.35 km) |
| Saint-Pol-sur-Mer to Orchies | 55.03 mi (88.56 km) |
| Saint-Pol-sur-Mer to Orleans | 217.07 mi (349.33 km) |
| Saint-Pol-sur-Mer to Orly | 158.07 mi (254.38 km) |
| Saint-Pol-sur-Mer to Ormesson-sur-Marne | 155.40 mi (250.09 km) |
| Saint-Pol-sur-Mer to Orsay | 161.37 mi (259.69 km) |
