| South Ockendon to Orbetello | 809.71 mi (1,303.10 km) |
| South Ockendon to Oria | 1,122.61 mi (1,806.67 km) |
| South Ockendon to Oristano | 895.42 mi (1,441.05 km) |
| South Ockendon to Orta Nova | 1,013.35 mi (1,630.83 km) |
| South Ockendon to Orte | 844.35 mi (1,358.86 km) |
| South Ockendon to Ortona | 915.91 mi (1,474.01 km) |
| South Ockendon to Orvieto | 821.67 mi (1,322.35 km) |
| South Ockendon to Orzinuovi | 610.48 mi (982.48 km) |
| South Ockendon to Osimo | 826.77 mi (1,330.56 km) |
| South Ockendon to Ospitaletto | 607.31 mi (977.37 km) |
| South Ockendon to Ostuni | 1,108.84 mi (1,784.51 km) |
| South Ockendon to Ottaviano | 998.44 mi (1,606.84 km) |
| South Ockendon to Ovada | 611.29 mi (983.77 km) |
| South Ockendon to Ozieri | 861.88 mi (1,387.06 km) |
| South Ockendon to Paceco | 1,108.63 mi (1,784.18 km) |
