| Southgate to Octeville | 153.63 mi (247.24 km) |
| Southgate to Oignies | 157.51 mi (253.49 km) |
| Southgate to Oissel | 167.01 mi (268.78 km) |
| Southgate to Olivet | 275.58 mi (443.50 km) |
| Southgate to Ollioules | 649.37 mi (1,045.06 km) |
| Southgate to Olonne-sur-Mer | 359.84 mi (579.10 km) |
| Southgate to Oloron-Sainte-Marie | 583.40 mi (938.89 km) |
| Southgate to Onet Village | 517.45 mi (832.75 km) |
| Southgate to Onnaing | 183.28 mi (294.96 km) |
| Southgate to Orange | 565.68 mi (910.38 km) |
| Southgate to Orchies | 166.77 mi (268.40 km) |
| Southgate to Orleans | 273.17 mi (439.63 km) |
| Southgate to Orly | 228.51 mi (367.74 km) |
| Southgate to Ormesson-sur-Marne | 229.19 mi (368.85 km) |
| Southgate to Orsay | 227.06 mi (365.42 km) |
