| Mangualde to Orbetello | 987.56 mi (1,589.33 km) |
| Mangualde to Oria | 1,328.52 mi (2,138.04 km) |
| Mangualde to Oristano | 862.39 mi (1,387.88 km) |
| Mangualde to Orta Nova | 1,221.88 mi (1,966.42 km) |
| Mangualde to Orte | 1,047.41 mi (1,685.64 km) |
| Mangualde to Ortona | 1,150.23 mi (1,851.11 km) |
| Mangualde to Orvieto | 1,033.63 mi (1,663.46 km) |
| Mangualde to Orzinuovi | 951.08 mi (1,530.62 km) |
| Mangualde to Osimo | 1,104.91 mi (1,778.18 km) |
| Mangualde to Ospitaletto | 960.31 mi (1,545.47 km) |
| Mangualde to Ostuni | 1,323.60 mi (2,130.12 km) |
| Mangualde to Ottaviano | 1,161.41 mi (1,869.11 km) |
| Mangualde to Ovada | 877.71 mi (1,412.55 km) |
| Mangualde to Ozieri | 878.21 mi (1,413.34 km) |
| Mangualde to Paceco | 1,098.52 mi (1,767.90 km) |
