| Reynoldsburg to Orbetello | 4,615.78 mi (7,428.38 km) |
| Reynoldsburg to Oria | 4,963.93 mi (7,988.68 km) |
| Reynoldsburg to Oristano | 4,598.84 mi (7,401.12 km) |
| Reynoldsburg to Orta Nova | 4,849.23 mi (7,804.08 km) |
| Reynoldsburg to Orte | 4,664.58 mi (7,506.91 km) |
| Reynoldsburg to Ortona | 4,753.28 mi (7,649.66 km) |
| Reynoldsburg to Orvieto | 4,642.96 mi (7,472.12 km) |
| Reynoldsburg to Orzinuovi | 4,451.40 mi (7,163.84 km) |
| Reynoldsburg to Osimo | 4,670.42 mi (7,516.32 km) |
| Reynoldsburg to Ospitaletto | 4,451.48 mi (7,163.97 km) |
| Reynoldsburg to Ostuni | 4,952.05 mi (7,969.55 km) |
| Reynoldsburg to Ottaviano | 4,816.86 mi (7,751.99 km) |
| Reynoldsburg to Ovada | 4,425.59 mi (7,122.31 km) |
| Reynoldsburg to Ozieri | 4,591.19 mi (7,388.81 km) |
| Reynoldsburg to Paceco | 4,849.32 mi (7,804.23 km) |
