| Radcliffe to Orbetello | 987.70 mi (1,589.55 km) |
| Radcliffe to Oria | 1,294.67 mi (2,083.57 km) |
| Radcliffe to Oristano | 1,073.11 mi (1,727.01 km) |
| Radcliffe to Orta Nova | 1,187.03 mi (1,910.33 km) |
| Radcliffe to Orte | 1,021.07 mi (1,643.26 km) |
| Radcliffe to Ortona | 1,089.86 mi (1,753.96 km) |
| Radcliffe to Orvieto | 998.40 mi (1,606.77 km) |
| Radcliffe to Orzinuovi | 785.87 mi (1,264.74 km) |
| Radcliffe to Osimo | 999.97 mi (1,609.30 km) |
| Radcliffe to Ospitaletto | 782.04 mi (1,258.58 km) |
| Radcliffe to Ostuni | 1,280.54 mi (2,060.82 km) |
| Radcliffe to Ottaviano | 1,174.58 mi (1,890.31 km) |
| Radcliffe to Ovada | 789.64 mi (1,270.80 km) |
| Radcliffe to Ozieri | 1,040.29 mi (1,674.18 km) |
| Radcliffe to Paceco | 1,287.57 mi (2,072.14 km) |
