| Langnau to Oberkirch | 110.73 mi (178.20 km) |
| Langnau to Obernburg am Main | 209.58 mi (337.29 km) |
| Langnau to Obernkirchen | 372.58 mi (599.61 km) |
| Langnau to Oberschleissheim | 197.94 mi (318.55 km) |
| Langnau to Oberstdorf | 121.47 mi (195.49 km) |
| Langnau to Obertraubling | 246.18 mi (396.19 km) |
| Langnau to Obertshausen | 221.07 mi (355.77 km) |
| Langnau to Oberursel | 228.13 mi (367.14 km) |
| Langnau to Ochsenfurt | 214.39 mi (345.02 km) |
| Langnau to Ochsenhausen | 127.56 mi (205.28 km) |
| Langnau to Ochtrup | 364.56 mi (586.71 km) |
| Langnau to Odenthal | 284.21 mi (457.39 km) |
| Langnau to Oelde | 338.26 mi (544.38 km) |
| Langnau to Oelsnitz | 312.21 mi (502.45 km) |
| Langnau to Oer-Erkenschwick | 325.55 mi (523.93 km) |
