| California City to Octeville | 5,402.54 mi (8,694.54 km) |
| California City to Oignies | 5,513.34 mi (8,872.87 km) |
| California City to Oissel | 5,506.43 mi (8,861.74 km) |
| California City to Olivet | 5,603.73 mi (9,018.33 km) |
| California City to Ollioules | 5,970.54 mi (9,608.66 km) |
| California City to Olonne-sur-Mer | 5,540.02 mi (8,915.79 km) |
| California City to Oloron-Sainte-Marie | 5,737.86 mi (9,234.20 km) |
| California City to Onet Village | 5,796.79 mi (9,329.03 km) |
| California City to Onnaing | 5,536.20 mi (8,909.66 km) |
| California City to Orange | 5,884.75 mi (9,470.59 km) |
| California City to Orchies | 5,520.92 mi (8,885.07 km) |
| California City to Orleans | 5,602.16 mi (9,015.80 km) |
| California City to Orly | 5,577.56 mi (8,976.21 km) |
| California City to Ormesson-sur-Marne | 5,580.27 mi (8,980.58 km) |
| California City to Orsay | 5,573.06 mi (8,968.98 km) |
