| Pasadena to Octeville | 4,834.34 mi (7,780.12 km) |
| Pasadena to Oignies | 4,998.52 mi (8,044.34 km) |
| Pasadena to Oissel | 4,954.71 mi (7,973.84 km) |
| Pasadena to Olivet | 5,031.39 mi (8,097.23 km) |
| Pasadena to Ollioules | 5,350.90 mi (8,611.43 km) |
| Pasadena to Olonne-sur-Mer | 4,912.49 mi (7,905.89 km) |
| Pasadena to Oloron-Sainte-Marie | 5,059.81 mi (8,142.97 km) |
| Pasadena to Onet Village | 5,167.78 mi (8,316.73 km) |
| Pasadena to Onnaing | 5,024.94 mi (8,086.85 km) |
| Pasadena to Orange | 5,272.28 mi (8,484.92 km) |
| Pasadena to Orchies | 5,008.30 mi (8,060.08 km) |
| Pasadena to Orleans | 5,030.59 mi (8,095.95 km) |
| Pasadena to Orly | 5,025.60 mi (8,087.93 km) |
| Pasadena to Ormesson-sur-Marne | 5,030.33 mi (8,095.53 km) |
| Pasadena to Orsay | 5,018.52 mi (8,076.53 km) |
