| Alsip to Oberkirch | 4,379.30 mi (7,047.81 km) |
| Alsip to Obernburg am Main | 4,368.78 mi (7,030.87 km) |
| Alsip to Obernkirchen | 4,275.86 mi (6,881.33 km) |
| Alsip to Oberschleissheim | 4,521.68 mi (7,276.94 km) |
| Alsip to Oberstdorf | 4,506.99 mi (7,253.30 km) |
| Alsip to Obertraubling | 4,514.89 mi (7,266.02 km) |
| Alsip to Obertshausen | 4,348.69 mi (6,998.54 km) |
| Alsip to Oberursel | 4,334.02 mi (6,974.92 km) |
| Alsip to Ochsenfurt | 4,410.34 mi (7,097.75 km) |
| Alsip to Ochsenhausen | 4,468.02 mi (7,190.58 km) |
| Alsip to Ochtrup | 4,209.08 mi (6,773.86 km) |
| Alsip to Odenthal | 4,249.16 mi (6,838.36 km) |
| Alsip to Oelde | 4,257.31 mi (6,851.48 km) |
| Alsip to Oelsnitz | 4,456.44 mi (7,171.95 km) |
| Alsip to Oer-Erkenschwick | 4,231.76 mi (6,810.36 km) |
