| Palos de la Frontera to Octeville | 895.70 mi (1,441.49 km) |
| Palos de la Frontera to Oignies | 1,036.99 mi (1,668.87 km) |
| Palos de la Frontera to Oissel | 927.10 mi (1,492.03 km) |
| Palos de la Frontera to Olivet | 859.20 mi (1,382.74 km) |
| Palos de la Frontera to Ollioules | 785.56 mi (1,264.23 km) |
| Palos de la Frontera to Olonne-sur-Mer | 694.59 mi (1,117.84 km) |
| Palos de la Frontera to Oloron-Sainte-Marie | 528.79 mi (851.01 km) |
| Palos de la Frontera to Onet Village | 698.72 mi (1,124.48 km) |
| Palos de la Frontera to Onnaing | 1,046.67 mi (1,684.45 km) |
| Palos de la Frontera to Orange | 775.87 mi (1,248.65 km) |
| Palos de la Frontera to Orchies | 1,043.18 mi (1,678.84 km) |
| Palos de la Frontera to Orleans | 861.62 mi (1,386.64 km) |
| Palos de la Frontera to Orly | 922.22 mi (1,484.17 km) |
| Palos de la Frontera to Ormesson-sur-Marne | 928.33 mi (1,494.00 km) |
| Palos de la Frontera to Orsay | 914.41 mi (1,471.60 km) |
