| Valley Center to Octeville | 5,480.37 mi (8,819.80 km) |
| Valley Center to Oignies | 5,596.60 mi (9,006.85 km) |
| Valley Center to Oissel | 5,586.28 mi (8,990.24 km) |
| Valley Center to Olivet | 5,682.08 mi (9,144.43 km) |
| Valley Center to Ollioules | 6,045.95 mi (9,730.02 km) |
| Valley Center to Olonne-sur-Mer | 5,612.74 mi (9,032.84 km) |
| Valley Center to Oloron-Sainte-Marie | 5,806.36 mi (9,344.43 km) |
| Valley Center to Onet Village | 5,870.51 mi (9,447.68 km) |
| Valley Center to Onnaing | 5,619.88 mi (9,044.32 km) |
| Valley Center to Orange | 5,960.49 mi (9,592.48 km) |
| Valley Center to Orchies | 5,604.41 mi (9,019.42 km) |
| Valley Center to Orleans | 5,680.57 mi (9,142.00 km) |
| Valley Center to Orly | 5,657.70 mi (9,105.19 km) |
| Valley Center to Ormesson-sur-Marne | 5,660.62 mi (9,109.88 km) |
| Valley Center to Orsay | 5,652.95 mi (9,097.54 km) |
