| Mongat to Oberkirch | 564.24 mi (908.06 km) |
| Mongat to Obernburg am Main | 666.09 mi (1,071.97 km) |
| Mongat to Obernkirchen | 812.24 mi (1,307.17 km) |
| Mongat to Oberschleissheim | 652.22 mi (1,049.65 km) |
| Mongat to Oberstdorf | 568.96 mi (915.65 km) |
| Mongat to Obertraubling | 706.01 mi (1,136.21 km) |
| Mongat to Obertshausen | 672.34 mi (1,082.02 km) |
| Mongat to Oberursel | 674.91 mi (1,086.16 km) |
| Mongat to Ochsenfurt | 678.62 mi (1,092.13 km) |
| Mongat to Ochsenhausen | 590.84 mi (950.86 km) |
| Mongat to Ochtrup | 776.99 mi (1,250.45 km) |
| Mongat to Odenthal | 699.84 mi (1,126.29 km) |
| Mongat to Oelde | 767.86 mi (1,235.75 km) |
| Mongat to Oelsnitz | 778.38 mi (1,252.68 km) |
| Mongat to Oer-Erkenschwick | 741.24 mi (1,192.91 km) |
