| Langenhagen to Obernburg am Main | 181.46 mi (292.04 km) |
| Langenhagen to Obernkirchen | 28.85 mi (46.43 km) |
| Langenhagen to Oberschleissheim | 300.43 mi (483.50 km) |
| Langenhagen to Oberstdorf | 348.34 mi (560.60 km) |
| Langenhagen to Obertraubling | 262.41 mi (422.31 km) |
| Langenhagen to Obertshausen | 168.56 mi (271.27 km) |
| Langenhagen to Oberursel | 162.45 mi (261.44 km) |
| Langenhagen to Ochsenfurt | 193.25 mi (311.01 km) |
| Langenhagen to Ochsenhausen | 301.88 mi (485.84 km) |
| Langenhagen to Ochtrup | 108.88 mi (175.22 km) |
| Langenhagen to Odenthal | 148.43 mi (238.88 km) |
| Langenhagen to Oelde | 79.37 mi (127.74 km) |
| Langenhagen to Oelsnitz | 174.51 mi (280.84 km) |
| Langenhagen to Oer-Erkenschwick | 119.26 mi (191.93 km) |
| Langenhagen to Oerlinghausen | 55.97 mi (90.07 km) |
