| Powder Springs to Oberkirch | 4,627.99 mi (7,448.03 km) |
| Powder Springs to Obernburg am Main | 4,631.75 mi (7,454.08 km) |
| Powder Springs to Obernkirchen | 4,558.95 mi (7,336.91 km) |
| Powder Springs to Oberschleissheim | 4,779.42 mi (7,691.73 km) |
| Powder Springs to Oberstdorf | 4,753.56 mi (7,650.12 km) |
| Powder Springs to Obertraubling | 4,780.36 mi (7,693.25 km) |
| Powder Springs to Obertshausen | 4,612.61 mi (7,423.28 km) |
| Powder Springs to Oberursel | 4,598.30 mi (7,400.25 km) |
| Powder Springs to Ochsenfurt | 4,674.61 mi (7,523.06 km) |
| Powder Springs to Ochsenhausen | 4,718.93 mi (7,594.38 km) |
| Powder Springs to Ochtrup | 4,486.32 mi (7,220.03 km) |
| Powder Springs to Odenthal | 4,516.18 mi (7,268.08 km) |
| Powder Springs to Oelde | 4,534.06 mi (7,296.86 km) |
| Powder Springs to Oelsnitz | 4,733.49 mi (7,617.81 km) |
| Powder Springs to Oer-Erkenschwick | 4,504.36 mi (7,249.07 km) |
