| Middle Island to Oberkirch | 3,824.37 mi (6,154.73 km) |
| Middle Island to Obernburg am Main | 3,830.07 mi (6,163.91 km) |
| Middle Island to Obernkirchen | 3,761.47 mi (6,053.50 km) |
| Middle Island to Oberschleissheim | 3,976.72 mi (6,399.91 km) |
| Middle Island to Oberstdorf | 3,949.58 mi (6,356.24 km) |
| Middle Island to Obertraubling | 3,978.82 mi (6,403.30 km) |
| Middle Island to Obertshausen | 3,811.12 mi (6,133.41 km) |
| Middle Island to Oberursel | 3,796.90 mi (6,110.52 km) |
| Middle Island to Ochsenfurt | 3,873.07 mi (6,233.10 km) |
| Middle Island to Ochsenhausen | 3,915.45 mi (6,301.31 km) |
| Middle Island to Ochtrup | 3,687.69 mi (5,934.76 km) |
| Middle Island to Odenthal | 3,715.42 mi (5,979.39 km) |
| Middle Island to Oelde | 3,735.20 mi (6,011.22 km) |
| Middle Island to Oelsnitz | 3,934.21 mi (6,331.50 km) |
| Middle Island to Oer-Erkenschwick | 3,704.70 mi (5,962.14 km) |
