| Santa Monica to Octeville | 5,486.23 mi (8,829.24 km) |
| Santa Monica to Oignies | 5,597.80 mi (9,008.80 km) |
| Santa Monica to Oissel | 5,590.43 mi (8,996.93 km) |
| Santa Monica to Olivet | 5,687.52 mi (9,153.17 km) |
| Santa Monica to Ollioules | 6,053.88 mi (9,742.78 km) |
| Santa Monica to Olonne-sur-Mer | 5,622.86 mi (9,049.12 km) |
| Santa Monica to Oloron-Sainte-Marie | 5,819.92 mi (9,366.26 km) |
| Santa Monica to Onet Village | 5,879.83 mi (9,462.68 km) |
| Santa Monica to Onnaing | 5,620.72 mi (9,045.67 km) |
| Santa Monica to Orange | 5,968.14 mi (9,604.79 km) |
| Santa Monica to Orchies | 5,605.41 mi (9,021.04 km) |
| Santa Monica to Orleans | 5,685.95 mi (9,150.65 km) |
| Santa Monica to Orly | 5,661.61 mi (9,111.48 km) |
| Santa Monica to Ormesson-sur-Marne | 5,664.35 mi (9,115.89 km) |
| Santa Monica to Orsay | 5,657.07 mi (9,104.18 km) |
