| Pickerington to Orbetello | 4,617.54 mi (7,431.22 km) |
| Pickerington to Oria | 4,965.80 mi (7,991.69 km) |
| Pickerington to Oristano | 4,600.31 mi (7,403.49 km) |
| Pickerington to Orta Nova | 4,851.08 mi (7,807.06 km) |
| Pickerington to Orte | 4,666.38 mi (7,509.82 km) |
| Pickerington to Ortona | 4,755.15 mi (7,652.68 km) |
| Pickerington to Orvieto | 4,644.77 mi (7,475.04 km) |
| Pickerington to Orzinuovi | 4,453.34 mi (7,166.96 km) |
| Pickerington to Osimo | 4,672.34 mi (7,519.41 km) |
| Pickerington to Ospitaletto | 4,453.44 mi (7,167.12 km) |
| Pickerington to Ostuni | 4,953.93 mi (7,972.59 km) |
| Pickerington to Ottaviano | 4,818.63 mi (7,754.84 km) |
| Pickerington to Ovada | 4,427.43 mi (7,125.27 km) |
| Pickerington to Ozieri | 4,592.74 mi (7,391.29 km) |
| Pickerington to Paceco | 4,850.81 mi (7,806.63 km) |
