| Hattingen to Obernburg am Main | 137.67 mi (221.55 km) |
| Hattingen to Obernkirchen | 101.95 mi (164.07 km) |
| Hattingen to Oberschleissheim | 292.26 mi (470.35 km) |
| Hattingen to Oberstdorf | 308.68 mi (496.77 km) |
| Hattingen to Obertraubling | 277.09 mi (445.93 km) |
| Hattingen to Obertshausen | 116.90 mi (188.13 km) |
| Hattingen to Oberursel | 102.55 mi (165.04 km) |
| Hattingen to Ochsenfurt | 174.96 mi (281.57 km) |
| Hattingen to Ochsenhausen | 260.83 mi (419.77 km) |
| Hattingen to Ochtrup | 55.72 mi (89.67 km) |
| Hattingen to Odenthal | 25.46 mi (40.97 km) |
| Hattingen to Oelde | 51.09 mi (82.23 km) |
| Hattingen to Oelsnitz | 227.32 mi (365.84 km) |
| Hattingen to Oer-Erkenschwick | 17.02 mi (27.39 km) |
| Hattingen to Oerlinghausen | 74.58 mi (120.02 km) |
