| Harran to Oberkirch | 1,749.12 mi (2,814.93 km) |
| Harran to Obernburg am Main | 1,731.22 mi (2,786.13 km) |
| Harran to Obernkirchen | 1,795.29 mi (2,889.24 km) |
| Harran to Oberschleissheim | 1,590.89 mi (2,560.29 km) |
| Harran to Oberstdorf | 1,630.13 mi (2,623.44 km) |
| Harran to Obertraubling | 1,582.63 mi (2,546.99 km) |
| Harran to Obertshausen | 1,749.41 mi (2,815.41 km) |
| Harran to Oberursel | 1,763.30 mi (2,837.75 km) |
| Harran to Ochsenfurt | 1,687.92 mi (2,716.44 km) |
| Harran to Ochsenhausen | 1,657.90 mi (2,668.13 km) |
| Harran to Ochtrup | 1,868.63 mi (3,007.27 km) |
| Harran to Odenthal | 1,842.89 mi (2,965.85 km) |
| Harran to Oelde | 1,821.14 mi (2,930.85 km) |
| Harran to Oelsnitz | 1,622.37 mi (2,610.94 km) |
| Harran to Oer-Erkenschwick | 1,852.04 mi (2,980.56 km) |
