| Oberhausen to Chitila | 1,002.60 mi (1,613.52 km) |
| Oberhausen to Cisnadie | 881.91 mi (1,419.30 km) |
| Oberhausen to Cluj-Napoca | 820.82 mi (1,320.99 km) |
| Oberhausen to Codlea | 935.06 mi (1,504.84 km) |
| Oberhausen to Comanesti | 951.05 mi (1,530.57 km) |
| Oberhausen to Comarnic | 959.53 mi (1,544.22 km) |
| Oberhausen to Constanta | 1,123.48 mi (1,808.07 km) |
| Oberhausen to Corabia | 975.24 mi (1,569.50 km) |
| Oberhausen to Costesti | 952.10 mi (1,532.26 km) |
| Oberhausen to Covasna | 960.03 mi (1,545.01 km) |
| Oberhausen to Craiova | 924.43 mi (1,487.73 km) |
| Oberhausen to Cristuru Secuiesc | 897.01 mi (1,443.61 km) |
| Oberhausen to Cugir | 845.25 mi (1,360.30 km) |
| Oberhausen to Cumpana | 1,122.43 mi (1,806.37 km) |
| Oberhausen to Curtea de Arges | 925.30 mi (1,489.13 km) |
