| South Hill to Orbetello | 5,627.05 mi (9,055.86 km) |
| South Hill to Oria | 5,901.36 mi (9,497.33 km) |
| South Hill to Oristano | 5,708.33 mi (9,186.66 km) |
| South Hill to Orta Nova | 5,805.04 mi (9,342.31 km) |
| South Hill to Orte | 5,655.35 mi (9,101.41 km) |
| South Hill to Ortona | 5,711.33 mi (9,191.50 km) |
| South Hill to Orvieto | 5,632.94 mi (9,065.34 km) |
| South Hill to Orzinuovi | 5,418.45 mi (8,720.15 km) |
| South Hill to Osimo | 5,620.39 mi (9,045.15 km) |
| South Hill to Ospitaletto | 5,412.73 mi (8,710.94 km) |
| South Hill to Ostuni | 5,885.73 mi (9,472.17 km) |
| South Hill to Ottaviano | 5,804.71 mi (9,341.78 km) |
| South Hill to Ovada | 5,430.71 mi (8,739.89 km) |
| South Hill to Ozieri | 5,679.41 mi (9,140.13 km) |
| South Hill to Paceco | 5,929.87 mi (9,543.21 km) |
