| Muscle Shoals to Oberkirch | 4,705.89 mi (7,573.39 km) |
| Muscle Shoals to Obernburg am Main | 4,705.12 mi (7,572.16 km) |
| Muscle Shoals to Obernkirchen | 4,625.57 mi (7,444.13 km) |
| Muscle Shoals to Oberschleissheim | 4,854.77 mi (7,813.00 km) |
| Muscle Shoals to Oberstdorf | 4,832.38 mi (7,776.97 km) |
| Muscle Shoals to Obertraubling | 4,853.23 mi (7,810.53 km) |
| Muscle Shoals to Obertshausen | 4,685.64 mi (7,540.80 km) |
| Muscle Shoals to Oberursel | 4,671.18 mi (7,517.53 km) |
| Muscle Shoals to Ochsenfurt | 4,747.65 mi (7,640.61 km) |
| Muscle Shoals to Ochsenhausen | 4,796.32 mi (7,718.93 km) |
| Muscle Shoals to Ochtrup | 4,554.73 mi (7,330.12 km) |
| Muscle Shoals to Odenthal | 4,587.99 mi (7,383.66 km) |
| Muscle Shoals to Oelde | 4,602.73 mi (7,407.39 km) |
| Muscle Shoals to Oelsnitz | 4,802.48 mi (7,728.84 km) |
| Muscle Shoals to Oer-Erkenschwick | 4,574.34 mi (7,361.68 km) |
