| Reynoldsburg to Oerlinghausen | 4,173.80 mi (6,717.08 km) |
| Reynoldsburg to Oestrich-Winkel | 4,213.14 mi (6,780.40 km) |
| Reynoldsburg to Offenburg | 4,262.08 mi (6,859.16 km) |
| Reynoldsburg to Oftersheim | 4,257.13 mi (6,851.19 km) |
| Reynoldsburg to Ohrdruf | 4,289.88 mi (6,903.90 km) |
| Reynoldsburg to Ohringen | 4,298.80 mi (6,918.25 km) |
| Reynoldsburg to Olbernhau | 4,393.20 mi (7,070.17 km) |
| Reynoldsburg to Olching | 4,405.33 mi (7,089.69 km) |
| Reynoldsburg to Oldenburg | 4,119.07 mi (6,629.00 km) |
| Reynoldsburg to Oldenburg in Holstein | 4,178.16 mi (6,724.10 km) |
| Reynoldsburg to Olfen | 4,133.45 mi (6,652.14 km) |
| Reynoldsburg to Olpe | 4,173.21 mi (6,716.13 km) |
| Reynoldsburg to Olsberg | 4,187.08 mi (6,738.46 km) |
| Reynoldsburg to Oranienburg | 4,314.94 mi (6,944.23 km) |
| Reynoldsburg to Ortenberg | 4,242.06 mi (6,826.94 km) |
