| Dusseldorf to Oestrich-Winkel | 100.53 mi (161.78 km) |
| Dusseldorf to Offenburg | 197.89 mi (318.48 km) |
| Dusseldorf to Oftersheim | 151.26 mi (243.44 km) |
| Dusseldorf to Ohrdruf | 173.86 mi (279.81 km) |
| Dusseldorf to Ohringen | 184.81 mi (297.42 km) |
| Dusseldorf to Olbernhau | 287.69 mi (462.99 km) |
| Dusseldorf to Olching | 291.34 mi (468.86 km) |
| Dusseldorf to Oldenburg | 145.25 mi (233.75 km) |
| Dusseldorf to Oldenburg in Holstein | 272.44 mi (438.45 km) |
| Dusseldorf to Olfen | 42.22 mi (67.94 km) |
| Dusseldorf to Olpe | 47.93 mi (77.13 km) |
| Dusseldorf to Olsberg | 73.89 mi (118.92 km) |
| Dusseldorf to Oranienburg | 293.86 mi (472.92 km) |
| Dusseldorf to Ortenberg | 116.28 mi (187.13 km) |
| Dusseldorf to Oschatz | 273.35 mi (439.91 km) |
