| Cary to Orbetello | 4,614.20 mi (7,425.84 km) |
| Cary to Oria | 4,968.94 mi (7,996.73 km) |
| Cary to Oristano | 4,575.42 mi (7,363.43 km) |
| Cary to Orta Nova | 4,853.38 mi (7,810.76 km) |
| Cary to Orte | 4,666.18 mi (7,509.49 km) |
| Cary to Ortona | 4,759.59 mi (7,659.83 km) |
| Cary to Orvieto | 4,645.34 mi (7,475.96 km) |
| Cary to Orzinuovi | 4,464.37 mi (7,184.70 km) |
| Cary to Osimo | 4,680.82 mi (7,533.05 km) |
| Cary to Ospitaletto | 4,465.73 mi (7,186.89 km) |
| Cary to Ostuni | 4,958.18 mi (7,979.42 km) |
| Cary to Ottaviano | 4,814.90 mi (7,748.83 km) |
| Cary to Ovada | 4,430.84 mi (7,130.75 km) |
| Cary to Ozieri | 4,572.89 mi (7,359.35 km) |
| Cary to Paceco | 4,825.82 mi (7,766.40 km) |
