| Oberhausen to Cologno al Serio | 428.50 mi (689.61 km) |
| Oberhausen to Cologno Monzese | 426.76 mi (686.81 km) |
| Oberhausen to Colorno | 481.31 mi (774.60 km) |
| Oberhausen to Comacchio | 529.41 mi (852.00 km) |
| Oberhausen to Comiso | 1,074.02 mi (1,728.46 km) |
| Oberhausen to Como | 405.65 mi (652.82 km) |
| Oberhausen to Concordia Sagittaria | 480.57 mi (773.41 km) |
| Oberhausen to Concorezzo | 423.36 mi (681.33 km) |
| Oberhausen to Conegliano | 459.60 mi (739.66 km) |
| Oberhausen to Conselice | 533.75 mi (858.99 km) |
| Oberhausen to Conselve | 489.50 mi (787.77 km) |
| Oberhausen to Conversano | 875.17 mi (1,408.46 km) |
| Oberhausen to Copertino | 941.71 mi (1,515.54 km) |
| Oberhausen to Copparo | 509.59 mi (820.11 km) |
| Oberhausen to Corato | 845.66 mi (1,360.96 km) |
