| Izola to Octeville | 765.84 mi (1,232.49 km) |
| Izola to Oignies | 598.89 mi (963.81 km) |
| Izola to Oissel | 642.88 mi (1,034.62 km) |
| Izola to Olivet | 579.69 mi (932.93 km) |
| Izola to Ollioules | 420.18 mi (676.22 km) |
| Izola to Olonne-sur-Mer | 742.63 mi (1,195.15 km) |
| Izola to Oloron-Sainte-Marie | 722.33 mi (1,162.47 km) |
| Izola to Onet Village | 547.04 mi (880.37 km) |
| Izola to Onnaing | 573.22 mi (922.51 km) |
| Izola to Orange | 444.33 mi (715.09 km) |
| Izola to Orchies | 589.63 mi (948.92 km) |
| Izola to Orleans | 579.86 mi (933.20 km) |
| Izola to Orly | 573.71 mi (923.30 km) |
| Izola to Ormesson-sur-Marne | 568.37 mi (914.71 km) |
| Izola to Orsay | 581.62 mi (936.03 km) |
