| Gelsenkirchen to Cologno al Serio | 426.78 mi (686.84 km) |
| Gelsenkirchen to Cologno Monzese | 425.52 mi (684.82 km) |
| Gelsenkirchen to Colorno | 479.19 mi (771.18 km) |
| Gelsenkirchen to Comacchio | 525.83 mi (846.25 km) |
| Gelsenkirchen to Comiso | 1,071.38 mi (1,724.22 km) |
| Gelsenkirchen to Como | 404.52 mi (651.01 km) |
| Gelsenkirchen to Concordia Sagittaria | 475.85 mi (765.81 km) |
| Gelsenkirchen to Concorezzo | 422.04 mi (679.20 km) |
| Gelsenkirchen to Conegliano | 455.24 mi (732.63 km) |
| Gelsenkirchen to Conselice | 530.55 mi (853.83 km) |
| Gelsenkirchen to Conselve | 485.89 mi (781.97 km) |
| Gelsenkirchen to Conversano | 870.28 mi (1,400.58 km) |
| Gelsenkirchen to Copertino | 936.65 mi (1,507.39 km) |
| Gelsenkirchen to Copparo | 506.20 mi (814.65 km) |
| Gelsenkirchen to Corato | 841.04 mi (1,353.52 km) |
