| Ovenden to Orbetello | 984.11 mi (1,583.77 km) |
| Ovenden to Oria | 1,287.44 mi (2,071.94 km) |
| Ovenden to Oristano | 1,073.98 mi (1,728.40 km) |
| Ovenden to Orta Nova | 1,180.55 mi (1,899.91 km) |
| Ovenden to Orte | 1,016.38 mi (1,635.71 km) |
| Ovenden to Ortona | 1,083.56 mi (1,743.83 km) |
| Ovenden to Orvieto | 993.73 mi (1,599.26 km) |
| Ovenden to Orzinuovi | 780.55 mi (1,256.18 km) |
| Ovenden to Osimo | 993.40 mi (1,598.72 km) |
| Ovenden to Ospitaletto | 776.39 mi (1,249.48 km) |
| Ovenden to Ostuni | 1,273.18 mi (2,048.98 km) |
| Ovenden to Ottaviano | 1,169.43 mi (1,882.01 km) |
| Ovenden to Ovada | 786.61 mi (1,265.93 km) |
| Ovenden to Ozieri | 1,040.31 mi (1,674.22 km) |
| Ovenden to Paceco | 1,285.90 mi (2,069.45 km) |
