| Santa Eulalia del Rio to Octeville | 751.71 mi (1,209.76 km) |
| Santa Eulalia del Rio to Oignies | 796.69 mi (1,282.15 km) |
| Santa Eulalia del Rio to Oissel | 715.95 mi (1,152.20 km) |
| Santa Eulalia del Rio to Olivet | 613.77 mi (987.76 km) |
| Santa Eulalia del Rio to Ollioules | 364.44 mi (586.51 km) |
| Santa Eulalia del Rio to Olonne-sur-Mer | 547.91 mi (881.78 km) |
| Santa Eulalia del Rio to Oloron-Sainte-Marie | 311.44 mi (501.22 km) |
| Santa Eulalia del Rio to Onet Village | 375.78 mi (604.76 km) |
| Santa Eulalia del Rio to Onnaing | 794.29 mi (1,278.29 km) |
| Santa Eulalia del Rio to Orange | 394.22 mi (634.44 km) |
| Santa Eulalia del Rio to Orchies | 798.25 mi (1,284.66 km) |
| Santa Eulalia del Rio to Orleans | 616.45 mi (992.07 km) |
| Santa Eulalia del Rio to Orly | 675.64 mi (1,087.34 km) |
| Santa Eulalia del Rio to Ormesson-sur-Marne | 679.02 mi (1,092.78 km) |
| Santa Eulalia del Rio to Orsay | 671.91 mi (1,081.34 km) |
