| Allestree to Orbetello | 933.26 mi (1,501.94 km) |
| Allestree to Oria | 1,241.75 mi (1,998.40 km) |
| Allestree to Oristano | 1,018.93 mi (1,639.80 km) |
| Allestree to Orta Nova | 1,133.67 mi (1,824.46 km) |
| Allestree to Orte | 966.94 mi (1,556.13 km) |
| Allestree to Ortona | 1,036.42 mi (1,667.95 km) |
| Allestree to Orvieto | 944.26 mi (1,519.64 km) |
| Allestree to Orzinuovi | 732.02 mi (1,178.07 km) |
| Allestree to Osimo | 946.70 mi (1,523.57 km) |
| Allestree to Ospitaletto | 728.34 mi (1,172.15 km) |
| Allestree to Ostuni | 1,227.71 mi (1,975.81 km) |
| Allestree to Ottaviano | 1,120.60 mi (1,803.43 km) |
| Allestree to Ovada | 735.12 mi (1,183.06 km) |
| Allestree to Ozieri | 985.88 mi (1,586.62 km) |
| Allestree to Paceco | 1,232.95 mi (1,984.25 km) |
