| Fallbrook to Octeville | 5,480.02 mi (8,819.24 km) |
| Fallbrook to Oignies | 5,595.54 mi (9,005.15 km) |
| Fallbrook to Oissel | 5,585.67 mi (8,989.27 km) |
| Fallbrook to Olivet | 5,681.68 mi (9,143.78 km) |
| Fallbrook to Ollioules | 6,045.94 mi (9,730.01 km) |
| Fallbrook to Olonne-sur-Mer | 5,613.05 mi (9,033.34 km) |
| Fallbrook to Oloron-Sainte-Marie | 5,807.21 mi (9,345.79 km) |
| Fallbrook to Onet Village | 5,870.71 mi (9,448.00 km) |
| Fallbrook to Onnaing | 5,618.77 mi (9,042.53 km) |
| Fallbrook to Orange | 5,960.43 mi (9,592.39 km) |
| Fallbrook to Orchies | 5,603.32 mi (9,017.67 km) |
| Fallbrook to Orleans | 5,680.16 mi (9,141.33 km) |
| Fallbrook to Orly | 5,657.06 mi (9,104.16 km) |
| Fallbrook to Ormesson-sur-Marne | 5,659.95 mi (9,108.81 km) |
| Fallbrook to Orsay | 5,652.34 mi (9,096.56 km) |
