| Portales to Octeville | 4,932.46 mi (7,938.03 km) |
| Portales to Oignies | 5,074.23 mi (8,166.19 km) |
| Portales to Oissel | 5,046.82 mi (8,122.08 km) |
| Portales to Olivet | 5,134.08 mi (8,262.51 km) |
| Portales to Ollioules | 5,479.65 mi (8,818.65 km) |
| Portales to Olonne-sur-Mer | 5,039.43 mi (8,110.18 km) |
| Portales to Oloron-Sainte-Marie | 5,212.47 mi (8,388.66 km) |
| Portales to Onet Village | 5,298.64 mi (8,527.34 km) |
| Portales to Onnaing | 5,099.38 mi (8,206.66 km) |
| Portales to Orange | 5,396.72 mi (8,685.19 km) |
| Portales to Orchies | 5,083.14 mi (8,180.52 km) |
| Portales to Orleans | 5,132.91 mi (8,260.63 km) |
| Portales to Orly | 5,118.78 mi (8,237.88 km) |
| Portales to Ormesson-sur-Marne | 5,122.64 mi (8,244.09 km) |
| Portales to Orsay | 5,112.80 mi (8,228.25 km) |
