| Reynoldsburg to Oberkirch | 4,265.79 mi (6,865.13 km) |
| Reynoldsburg to Obernburg am Main | 4,262.87 mi (6,860.43 km) |
| Reynoldsburg to Obernkirchen | 4,180.84 mi (6,728.41 km) |
| Reynoldsburg to Oberschleissheim | 4,413.32 mi (7,102.55 km) |
| Reynoldsburg to Oberstdorf | 4,392.68 mi (7,069.34 km) |
| Reynoldsburg to Obertraubling | 4,410.69 mi (7,098.31 km) |
| Reynoldsburg to Obertshausen | 4,243.25 mi (6,828.85 km) |
| Reynoldsburg to Oberursel | 4,228.74 mi (6,805.50 km) |
| Reynoldsburg to Ochsenfurt | 4,305.24 mi (6,928.61 km) |
| Reynoldsburg to Ochsenhausen | 4,355.90 mi (7,010.14 km) |
| Reynoldsburg to Ochtrup | 4,110.62 mi (6,615.41 km) |
| Reynoldsburg to Odenthal | 4,145.16 mi (6,671.00 km) |
| Reynoldsburg to Oelde | 4,158.70 mi (6,692.78 km) |
| Reynoldsburg to Oelsnitz | 4,358.46 mi (7,014.26 km) |
| Reynoldsburg to Oer-Erkenschwick | 4,130.79 mi (6,647.86 km) |
