| Langenau to Obernburg am Main | 102.80 mi (165.44 km) |
| Langenau to Obernkirchen | 264.17 mi (425.14 km) |
| Langenau to Oberschleissheim | 68.55 mi (110.32 km) |
| Langenau to Oberstdorf | 75.46 mi (121.45 km) |
| Langenau to Obertraubling | 98.75 mi (158.92 km) |
| Langenau to Obertshausen | 123.00 mi (197.95 km) |
| Langenau to Oberursel | 136.84 mi (220.23 km) |
| Langenau to Ochsenfurt | 79.72 mi (128.30 km) |
| Langenau to Ochsenhausen | 30.38 mi (48.89 km) |
| Langenau to Ochtrup | 286.91 mi (461.74 km) |
| Langenau to Odenthal | 220.60 mi (355.02 km) |
| Langenau to Oelde | 246.45 mi (396.62 km) |
| Langenau to Oelsnitz | 161.38 mi (259.72 km) |
| Langenau to Oer-Erkenschwick | 251.80 mi (405.23 km) |
| Langenau to Oerlinghausen | 248.20 mi (399.43 km) |
