| Porterville to Octeville | 5,390.56 mi (8,675.26 km) |
| Porterville to Oignies | 5,497.13 mi (8,846.78 km) |
| Porterville to Oissel | 5,492.85 mi (8,839.88 km) |
| Porterville to Olivet | 5,591.23 mi (8,998.22 km) |
| Porterville to Ollioules | 5,960.04 mi (9,591.76 km) |
| Porterville to Olonne-sur-Mer | 5,531.78 mi (8,902.54 km) |
| Porterville to Oloron-Sainte-Marie | 5,732.61 mi (9,225.75 km) |
| Porterville to Onet Village | 5,787.65 mi (9,314.33 km) |
| Porterville to Onnaing | 5,519.65 mi (8,883.02 km) |
| Porterville to Orange | 5,874.05 mi (9,453.37 km) |
| Porterville to Orchies | 5,504.52 mi (8,858.68 km) |
| Porterville to Orleans | 5,589.61 mi (8,995.60 km) |
| Porterville to Orly | 5,563.71 mi (8,953.92 km) |
| Porterville to Ormesson-sur-Marne | 5,566.27 mi (8,958.04 km) |
| Porterville to Orsay | 5,559.41 mi (8,947.01 km) |
