| Oberhausen to Nowy Sacz | 619.52 mi (997.03 km) |
| Oberhausen to Nowy Targ | 593.86 mi (955.73 km) |
| Oberhausen to Nowy Tomysl | 398.60 mi (641.48 km) |
| Oberhausen to Nysa | 460.19 mi (740.60 km) |
| Oberhausen to Oborniki | 429.48 mi (691.18 km) |
| Oberhausen to Oborniki Slaskie | 432.30 mi (695.72 km) |
| Oberhausen to Olawa | 452.67 mi (728.51 km) |
| Oberhausen to Olecko | 674.96 mi (1,086.24 km) |
| Oberhausen to Olesnica | 453.74 mi (730.23 km) |
| Oberhausen to Olesno | 501.35 mi (806.84 km) |
| Oberhausen to Olkusz | 558.90 mi (899.46 km) |
| Oberhausen to Olsztyn | 590.93 mi (951.01 km) |
| Oberhausen to Opalenica | 410.36 mi (660.41 km) |
| Oberhausen to Opoczno | 577.10 mi (928.76 km) |
| Oberhausen to Opole | 483.12 mi (777.50 km) |
