| Santa Comba Dao to Orbetello | 1,009.10 mi (1,623.99 km) |
| Santa Comba Dao to Oria | 1,349.06 mi (2,171.10 km) |
| Santa Comba Dao to Oristano | 881.71 mi (1,418.97 km) |
| Santa Comba Dao to Orta Nova | 1,242.80 mi (2,000.10 km) |
| Santa Comba Dao to Orte | 1,068.95 mi (1,720.31 km) |
| Santa Comba Dao to Ortona | 1,171.71 mi (1,885.69 km) |
| Santa Comba Dao to Orvieto | 1,055.33 mi (1,698.39 km) |
| Santa Comba Dao to Orzinuovi | 974.10 mi (1,567.65 km) |
| Santa Comba Dao to Osimo | 1,127.00 mi (1,813.73 km) |
| Santa Comba Dao to Ospitaletto | 983.36 mi (1,582.56 km) |
| Santa Comba Dao to Ostuni | 1,344.27 mi (2,163.39 km) |
| Santa Comba Dao to Ottaviano | 1,181.98 mi (1,902.21 km) |
| Santa Comba Dao to Ovada | 900.54 mi (1,449.28 km) |
| Santa Comba Dao to Ozieri | 898.24 mi (1,445.58 km) |
| Santa Comba Dao to Paceco | 1,116.59 mi (1,796.99 km) |
