| Dinslaken to Oestrich-Winkel | 121.57 mi (195.64 km) |
| Dinslaken to Offenburg | 220.71 mi (355.19 km) |
| Dinslaken to Oftersheim | 172.19 mi (277.11 km) |
| Dinslaken to Ohrdruf | 180.50 mi (290.49 km) |
| Dinslaken to Ohringen | 203.92 mi (328.18 km) |
| Dinslaken to Olbernhau | 292.82 mi (471.25 km) |
| Dinslaken to Olching | 309.31 mi (497.79 km) |
| Dinslaken to Oldenburg | 125.61 mi (202.15 km) |
| Dinslaken to Oldenburg in Holstein | 255.91 mi (411.85 km) |
| Dinslaken to Olfen | 29.74 mi (47.85 km) |
| Dinslaken to Olpe | 60.85 mi (97.93 km) |
| Dinslaken to Olsberg | 76.81 mi (123.61 km) |
| Dinslaken to Oranienburg | 287.50 mi (462.68 km) |
| Dinslaken to Ortenberg | 131.18 mi (211.11 km) |
| Dinslaken to Oschatz | 275.08 mi (442.70 km) |
