| Radcliff to Orbetello | 4,839.84 mi (7,788.96 km) |
| Radcliff to Oria | 5,188.23 mi (8,349.65 km) |
| Radcliff to Oristano | 4,821.70 mi (7,759.78 km) |
| Radcliff to Orta Nova | 5,073.49 mi (8,165.00 km) |
| Radcliff to Orte | 4,888.75 mi (7,867.68 km) |
| Radcliff to Ortona | 4,977.58 mi (8,010.64 km) |
| Radcliff to Orvieto | 4,867.15 mi (7,832.91 km) |
| Radcliff to Orzinuovi | 4,675.79 mi (7,524.96 km) |
| Radcliff to Osimo | 4,894.79 mi (7,877.41 km) |
| Radcliff to Ospitaletto | 4,675.89 mi (7,525.12 km) |
| Radcliff to Ostuni | 5,176.37 mi (8,330.56 km) |
| Radcliff to Ottaviano | 5,040.94 mi (8,112.60 km) |
| Radcliff to Ovada | 4,649.83 mi (7,483.18 km) |
| Radcliff to Ozieri | 4,814.41 mi (7,748.04 km) |
| Radcliff to Paceco | 5,072.26 mi (8,163.02 km) |
