| Oberhausen to Oegstgeest | 113.05 mi (181.94 km) |
| Oberhausen to Oirschot | 67.56 mi (108.72 km) |
| Oberhausen to Oisterwijk | 72.04 mi (115.94 km) |
| Oberhausen to Oldebroek | 77.75 mi (125.12 km) |
| Oberhausen to Oldenzaal | 56.72 mi (91.28 km) |
| Oberhausen to Ommen | 73.07 mi (117.60 km) |
| Oberhausen to Oosterend | 109.53 mi (176.27 km) |
| Oberhausen to Oosterhout | 87.07 mi (140.12 km) |
| Oberhausen to Oosterwolde | 106.07 mi (170.70 km) |
| Oberhausen to Oostzaan | 106.51 mi (171.41 km) |
| Oberhausen to Opmeer | 116.43 mi (187.37 km) |
| Oberhausen to Oss | 60.99 mi (98.15 km) |
| Oberhausen to Oud-Beijerland | 108.18 mi (174.09 km) |
| Oberhausen to Oudenbosch | 101.04 mi (162.61 km) |
| Oberhausen to Oudewater | 92.93 mi (149.55 km) |
