| Iglesias to Octeville | 869.62 mi (1,399.52 km) |
| Iglesias to Oignies | 816.30 mi (1,313.70 km) |
| Iglesias to Oissel | 783.36 mi (1,260.70 km) |
| Iglesias to Olivet | 676.84 mi (1,089.26 km) |
| Iglesias to Ollioules | 298.70 mi (480.71 km) |
| Iglesias to Olonne-sur-Mer | 720.45 mi (1,159.45 km) |
| Iglesias to Oloron-Sainte-Marie | 544.68 mi (876.58 km) |
| Iglesias to Onet Village | 463.60 mi (746.10 km) |
| Iglesias to Onnaing | 801.76 mi (1,290.32 km) |
| Iglesias to Orange | 384.41 mi (618.65 km) |
| Iglesias to Orchies | 812.71 mi (1,307.93 km) |
| Iglesias to Orleans | 678.90 mi (1,092.59 km) |
| Iglesias to Orly | 718.66 mi (1,156.57 km) |
| Iglesias to Ormesson-sur-Marne | 718.24 mi (1,155.89 km) |
| Iglesias to Orsay | 720.21 mi (1,159.07 km) |
