| Ladispoli to Octeville | 844.97 mi (1,359.85 km) |
| Ladispoli to Oignies | 730.02 mi (1,174.85 km) |
| Ladispoli to Oissel | 734.77 mi (1,182.49 km) |
| Ladispoli to Olivet | 642.92 mi (1,034.69 km) |
| Ladispoli to Ollioules | 327.30 mi (526.74 km) |
| Ladispoli to Olonne-sur-Mer | 753.57 mi (1,212.75 km) |
| Ladispoli to Oloron-Sainte-Marie | 650.23 mi (1,046.44 km) |
| Ladispoli to Onet Village | 505.67 mi (813.80 km) |
| Ladispoli to Onnaing | 708.93 mi (1,140.92 km) |
| Ladispoli to Orange | 396.45 mi (638.03 km) |
| Ladispoli to Orchies | 723.32 mi (1,164.08 km) |
| Ladispoli to Orleans | 644.17 mi (1,036.69 km) |
| Ladispoli to Orly | 663.13 mi (1,067.21 km) |
| Ladispoli to Ormesson-sur-Marne | 660.11 mi (1,062.35 km) |
| Ladispoli to Orsay | 668.12 mi (1,075.24 km) |
