| Welling to Cadiz | 1,078.20 mi (1,735.19 km) |
| Welling to Calafell | 712.20 mi (1,146.18 km) |
| Welling to Calahorra | 640.33 mi (1,030.52 km) |
| Welling to Calasparra | 918.23 mi (1,477.76 km) |
| Welling to Calatayud | 703.36 mi (1,131.94 km) |
| Welling to Caldas de Montbuy | 685.88 mi (1,103.82 km) |
| Welling to Caldas de Reyes | 736.55 mi (1,185.36 km) |
| Welling to Calella | 690.69 mi (1,111.56 km) |
| Welling to Callosa de Segura | 922.74 mi (1,485.01 km) |
| Welling to Calpe | 885.39 mi (1,424.91 km) |
| Welling to Calvia | 829.81 mi (1,335.45 km) |
| Welling to Camas | 1,016.56 mi (1,635.99 km) |
| Welling to Cambados | 746.87 mi (1,201.97 km) |
| Welling to Cambre | 688.38 mi (1,107.84 km) |
| Welling to Cambrils | 719.45 mi (1,157.84 km) |
