| East Barnet to Octeville | 153.65 mi (247.28 km) |
| East Barnet to Oignies | 159.26 mi (256.31 km) |
| East Barnet to Oissel | 168.27 mi (270.81 km) |
| East Barnet to Olivet | 276.85 mi (445.55 km) |
| East Barnet to Ollioules | 650.79 mi (1,047.35 km) |
| East Barnet to Olonne-sur-Mer | 360.27 mi (579.79 km) |
| East Barnet to Oloron-Sainte-Marie | 584.12 mi (940.05 km) |
| East Barnet to Onet Village | 518.62 mi (834.63 km) |
| East Barnet to Onnaing | 185.03 mi (297.78 km) |
| East Barnet to Orange | 567.07 mi (912.62 km) |
| East Barnet to Orchies | 168.53 mi (271.22 km) |
| East Barnet to Orleans | 274.45 mi (441.69 km) |
| East Barnet to Orly | 229.97 mi (370.11 km) |
| East Barnet to Ormesson-sur-Marne | 230.69 mi (371.27 km) |
| East Barnet to Orsay | 228.49 mi (367.72 km) |
