| Mafra to Orbetello | 1,100.19 mi (1,770.58 km) |
| Mafra to Oria | 1,431.51 mi (2,303.79 km) |
| Mafra to Oristano | 957.33 mi (1,540.68 km) |
| Mafra to Orta Nova | 1,328.44 mi (2,137.92 km) |
| Mafra to Orte | 1,159.90 mi (1,866.68 km) |
| Mafra to Ortona | 1,261.92 mi (2,030.86 km) |
| Mafra to Orvieto | 1,147.59 mi (1,846.87 km) |
| Mafra to Orzinuovi | 1,079.21 mi (1,736.82 km) |
| Mafra to Osimo | 1,222.39 mi (1,967.24 km) |
| Mafra to Ospitaletto | 1,088.95 mi (1,752.49 km) |
| Mafra to Ostuni | 1,427.72 mi (2,297.69 km) |
| Mafra to Ottaviano | 1,265.06 mi (2,035.92 km) |
| Mafra to Ovada | 1,003.61 mi (1,615.15 km) |
| Mafra to Ozieri | 978.62 mi (1,574.93 km) |
| Mafra to Paceco | 1,182.85 mi (1,903.61 km) |
