| Dusseldorf to Obernburg am Main | 141.38 mi (227.52 km) |
| Dusseldorf to Obernkirchen | 122.74 mi (197.53 km) |
| Dusseldorf to Oberschleissheim | 296.71 mi (477.51 km) |
| Dusseldorf to Oberstdorf | 307.46 mi (494.81 km) |
| Dusseldorf to Obertraubling | 285.33 mi (459.19 km) |
| Dusseldorf to Obertshausen | 120.67 mi (194.20 km) |
| Dusseldorf to Oberursel | 105.92 mi (170.47 km) |
| Dusseldorf to Ochsenfurt | 181.19 mi (291.60 km) |
| Dusseldorf to Ochsenhausen | 260.22 mi (418.79 km) |
| Dusseldorf to Ochtrup | 69.40 mi (111.69 km) |
| Dusseldorf to Odenthal | 20.00 mi (32.18 km) |
| Dusseldorf to Oelde | 71.89 mi (115.70 km) |
| Dusseldorf to Oelsnitz | 241.58 mi (388.79 km) |
| Dusseldorf to Oer-Erkenschwick | 34.69 mi (55.83 km) |
| Dusseldorf to Oerlinghausen | 95.40 mi (153.53 km) |
