| Cities | Distance |
|---|---|
| Oberhausen to Oria | 916.67 mi (1,475.24 km) |
| Oberhausen to Oristano | 805.09 mi (1,295.66 km) |
| Oberhausen to Orta Nova | 817.63 mi (1,315.85 km) |
| Oberhausen to Orte | 675.85 mi (1,087.67 km) |
| Oberhausen to Ortona | 724.12 mi (1,165.36 km) |
| Oberhausen to Orvieto | 654.25 mi (1,052.91 km) |
| Oberhausen to Orzinuovi | 443.91 mi (714.40 km) |
| Oberhausen to Osimo | 633.32 mi (1,019.24 km) |
| Oberhausen to Ospitaletto | 435.78 mi (701.31 km) |
| Oberhausen to Ostuni | 901.46 mi (1,450.77 km) |
| Oberhausen to Ottaviano | 819.68 mi (1,319.14 km) |
| Oberhausen to Ovada | 480.81 mi (773.79 km) |
| Oberhausen to Ozieri | 760.75 mi (1,224.31 km) |
| Oberhausen to Paceco | 973.65 mi (1,566.94 km) |
| Oberhausen to Pachino | 1,098.11 mi (1,767.24 km) |