| Fehmarnsund to Oria | 1,008.66 mi (1,623.28 km) |
| Fehmarnsund to Oristano | 1,011.69 mi (1,628.15 km) |
| Fehmarnsund to Orta Nova | 929.74 mi (1,496.28 km) |
| Fehmarnsund to Orte | 829.93 mi (1,335.64 km) |
| Fehmarnsund to Ortona | 848.51 mi (1,365.55 km) |
| Fehmarnsund to Orvieto | 811.38 mi (1,305.80 km) |
| Fehmarnsund to Orzinuovi | 627.37 mi (1,009.65 km) |
| Fehmarnsund to Osimo | 764.53 mi (1,230.39 km) |
| Fehmarnsund to Ospitaletto | 616.15 mi (991.61 km) |
| Fehmarnsund to Ostuni | 992.41 mi (1,597.14 km) |
| Fehmarnsund to Ottaviano | 951.61 mi (1,531.47 km) |
| Fehmarnsund to Ovada | 686.81 mi (1,105.31 km) |
| Fehmarnsund to Ozieri | 962.87 mi (1,549.59 km) |
| Fehmarnsund to Paceco | 1,139.28 mi (1,833.49 km) |
| Fehmarnsund to Pachino | 1,239.10 mi (1,994.14 km) |
