| Rockledge to Orbetello | 5,020.32 mi (8,079.43 km) |
| Rockledge to Oria | 5,378.13 mi (8,655.26 km) |
| Rockledge to Oristano | 4,961.19 mi (7,984.26 km) |
| Rockledge to Orta Nova | 5,262.73 mi (8,469.54 km) |
| Rockledge to Orte | 5,074.76 mi (8,167.04 km) |
| Rockledge to Ortona | 5,171.65 mi (8,322.97 km) |
| Rockledge to Orvieto | 5,054.81 mi (8,134.93 km) |
| Rockledge to Orzinuovi | 4,884.68 mi (7,861.14 km) |
| Rockledge to Osimo | 5,097.15 mi (8,203.07 km) |
| Rockledge to Ospitaletto | 4,887.14 mi (7,865.09 km) |
| Rockledge to Ostuni | 5,368.48 mi (8,639.73 km) |
| Rockledge to Ottaviano | 5,218.96 mi (8,399.11 km) |
| Rockledge to Ovada | 4,844.68 mi (7,796.77 km) |
| Rockledge to Ozieri | 4,963.65 mi (7,988.23 km) |
| Rockledge to Paceco | 5,209.14 mi (8,383.31 km) |
