| Ferrol to Orbetello | 983.61 mi (1,582.97 km) |
| Ferrol to Oria | 1,338.65 mi (2,154.35 km) |
| Ferrol to Oristano | 900.74 mi (1,449.59 km) |
| Ferrol to Orta Nova | 1,226.27 mi (1,973.49 km) |
| Ferrol to Orte | 1,042.10 mi (1,677.10 km) |
| Ferrol to Ortona | 1,144.35 mi (1,841.66 km) |
| Ferrol to Orvieto | 1,025.08 mi (1,649.71 km) |
| Ferrol to Orzinuovi | 903.86 mi (1,454.62 km) |
| Ferrol to Osimo | 1,085.56 mi (1,747.04 km) |
| Ferrol to Ospitaletto | 911.05 mi (1,466.20 km) |
| Ferrol to Ostuni | 1,331.41 mi (2,142.69 km) |
| Ferrol to Ottaviano | 1,173.41 mi (1,888.42 km) |
| Ferrol to Ovada | 840.32 mi (1,352.36 km) |
| Ferrol to Ozieri | 905.15 mi (1,456.70 km) |
| Ferrol to Paceco | 1,148.88 mi (1,848.94 km) |
