| Torre de Moncorvo to Orbetello | 946.67 mi (1,523.52 km) |
| Torre de Moncorvo to Oria | 1,290.93 mi (2,077.54 km) |
| Torre de Moncorvo to Oristano | 829.20 mi (1,334.47 km) |
| Torre de Moncorvo to Orta Nova | 1,183.02 mi (1,903.89 km) |
| Torre de Moncorvo to Orte | 1,006.45 mi (1,619.73 km) |
| Torre de Moncorvo to Ortona | 1,109.42 mi (1,785.44 km) |
| Torre de Moncorvo to Orvieto | 992.10 mi (1,596.62 km) |
| Torre de Moncorvo to Orzinuovi | 903.83 mi (1,454.57 km) |
| Torre de Moncorvo to Osimo | 1,061.83 mi (1,708.85 km) |
| Torre de Moncorvo to Ospitaletto | 912.84 mi (1,469.07 km) |
| Torre de Moncorvo to Ostuni | 1,285.56 mi (2,068.91 km) |
| Torre de Moncorvo to Ottaviano | 1,123.83 mi (1,808.63 km) |
| Torre de Moncorvo to Ovada | 831.49 mi (1,338.15 km) |
| Torre de Moncorvo to Ozieri | 842.68 mi (1,356.16 km) |
| Torre de Moncorvo to Paceco | 1,068.85 mi (1,720.14 km) |
