| Siverek to Oberkirch | 1,725.95 mi (2,777.65 km) |
| Siverek to Obernburg am Main | 1,704.60 mi (2,743.29 km) |
| Siverek to Obernkirchen | 1,763.55 mi (2,838.15 km) |
| Siverek to Oberschleissheim | 1,566.75 mi (2,521.45 km) |
| Siverek to Oberstdorf | 1,608.73 mi (2,589.00 km) |
| Siverek to Obertraubling | 1,556.40 mi (2,504.78 km) |
| Siverek to Obertshausen | 1,722.44 mi (2,772.00 km) |
| Siverek to Oberursel | 1,736.15 mi (2,794.06 km) |
| Siverek to Ochsenfurt | 1,661.26 mi (2,673.54 km) |
| Siverek to Ochsenhausen | 1,635.02 mi (2,631.31 km) |
| Siverek to Ochtrup | 1,837.97 mi (2,957.93 km) |
| Siverek to Odenthal | 1,814.65 mi (2,920.39 km) |
| Siverek to Oelde | 1,790.77 mi (2,881.96 km) |
| Siverek to Oelsnitz | 1,592.76 mi (2,563.30 km) |
| Siverek to Oer-Erkenschwick | 1,822.47 mi (2,932.99 km) |
