| Corcoran to Orbetello | 6,186.95 mi (9,956.93 km) |
| Corcoran to Oria | 6,489.19 mi (10,443.33 km) |
| Corcoran to Oristano | 6,238.71 mi (10,040.23 km) |
| Corcoran to Orta Nova | 6,385.45 mi (10,276.38 km) |
| Corcoran to Orte | 6,222.09 mi (10,013.49 km) |
| Corcoran to Ortona | 6,289.01 mi (10,121.18 km) |
| Corcoran to Orvieto | 6,199.41 mi (9,976.99 km) |
| Corcoran to Orzinuovi | 5,986.82 mi (9,634.86 km) |
| Corcoran to Osimo | 6,198.38 mi (9,975.33 km) |
| Corcoran to Ospitaletto | 5,982.67 mi (9,628.18 km) |
| Corcoran to Ostuni | 6,474.29 mi (10,419.36 km) |
| Corcoran to Ottaviano | 6,375.65 mi (10,260.61 km) |
| Corcoran to Ovada | 5,988.00 mi (9,636.76 km) |
| Corcoran to Ozieri | 6,216.17 mi (10,003.96 km) |
| Corcoran to Paceco | 6,474.58 mi (10,419.83 km) |
