| Manchester to Orbetello | 981.30 mi (1,579.25 km) |
| Manchester to Oria | 1,288.62 mi (2,073.84 km) |
| Manchester to Oristano | 1,066.53 mi (1,716.41 km) |
| Manchester to Orta Nova | 1,180.89 mi (1,900.46 km) |
| Manchester to Orte | 1,014.77 mi (1,633.11 km) |
| Manchester to Ortona | 1,083.71 mi (1,744.06 km) |
| Manchester to Orvieto | 992.09 mi (1,596.62 km) |
| Manchester to Orzinuovi | 779.63 mi (1,254.69 km) |
| Manchester to Osimo | 993.85 mi (1,599.45 km) |
| Manchester to Ospitaletto | 775.83 mi (1,248.59 km) |
| Manchester to Ostuni | 1,274.51 mi (2,051.12 km) |
| Manchester to Ottaviano | 1,168.32 mi (1,880.22 km) |
| Manchester to Ovada | 783.21 mi (1,260.46 km) |
| Manchester to Ozieri | 1,033.72 mi (1,663.62 km) |
| Manchester to Paceco | 1,281.06 mi (2,061.66 km) |
