| Gelsenkirchen to Calafell | 759.46 mi (1,222.23 km) |
| Gelsenkirchen to Calahorra | 765.98 mi (1,232.73 km) |
| Gelsenkirchen to Calasparra | 1,012.35 mi (1,629.22 km) |
| Gelsenkirchen to Calatayud | 815.01 mi (1,311.64 km) |
| Gelsenkirchen to Caldas de Montbuy | 721.55 mi (1,161.23 km) |
| Gelsenkirchen to Caldas de Reyes | 959.83 mi (1,544.70 km) |
| Gelsenkirchen to Calella | 715.38 mi (1,151.30 km) |
| Gelsenkirchen to Callosa de Segura | 1,003.25 mi (1,614.58 km) |
| Gelsenkirchen to Calpe | 952.55 mi (1,532.98 km) |
| Gelsenkirchen to Calvia | 854.71 mi (1,375.52 km) |
| Gelsenkirchen to Camas | 1,166.78 mi (1,877.74 km) |
| Gelsenkirchen to Cambados | 970.67 mi (1,562.15 km) |
| Gelsenkirchen to Cambre | 915.86 mi (1,473.93 km) |
| Gelsenkirchen to Cambrils | 776.86 mi (1,250.24 km) |
| Gelsenkirchen to Campo de Criptana | 970.54 mi (1,561.94 km) |
