| Shanklin to Orbetello | 814.79 mi (1,311.28 km) |
| Shanklin to Oria | 1,142.45 mi (1,838.59 km) |
| Shanklin to Oristano | 878.61 mi (1,413.99 km) |
| Shanklin to Orta Nova | 1,030.47 mi (1,658.38 km) |
| Shanklin to Orte | 854.45 mi (1,375.10 km) |
| Shanklin to Ortona | 933.02 mi (1,501.54 km) |
| Shanklin to Orvieto | 831.88 mi (1,338.79 km) |
| Shanklin to Orzinuovi | 626.90 mi (1,008.90 km) |
| Shanklin to Osimo | 846.14 mi (1,361.73 km) |
| Shanklin to Ospitaletto | 625.49 mi (1,006.63 km) |
| Shanklin to Ostuni | 1,129.39 mi (1,817.58 km) |
| Shanklin to Ottaviano | 1,009.46 mi (1,624.56 km) |
| Shanklin to Ovada | 616.00 mi (991.35 km) |
| Shanklin to Ozieri | 849.21 mi (1,366.67 km) |
| Shanklin to Paceco | 1,102.77 mi (1,774.74 km) |
