| Dinslaken to Obernburg am Main | 159.16 mi (256.14 km) |
| Dinslaken to Obernkirchen | 112.53 mi (181.09 km) |
| Dinslaken to Oberschleissheim | 314.15 mi (505.57 km) |
| Dinslaken to Oberstdorf | 328.27 mi (528.31 km) |
| Dinslaken to Obertraubling | 299.68 mi (482.28 km) |
| Dinslaken to Obertshausen | 138.35 mi (222.66 km) |
| Dinslaken to Oberursel | 123.81 mi (199.26 km) |
| Dinslaken to Ochsenfurt | 197.20 mi (317.36 km) |
| Dinslaken to Ochsenhausen | 280.71 mi (451.76 km) |
| Dinslaken to Ochtrup | 48.25 mi (77.66 km) |
| Dinslaken to Odenthal | 40.40 mi (65.03 km) |
| Dinslaken to Oelde | 63.40 mi (102.03 km) |
| Dinslaken to Oelsnitz | 249.23 mi (401.09 km) |
| Dinslaken to Oer-Erkenschwick | 22.81 mi (36.71 km) |
| Dinslaken to Oerlinghausen | 87.17 mi (140.28 km) |
