| Siegburg to Calafell | 715.85 mi (1,152.06 km) |
| Siegburg to Calahorra | 730.21 mi (1,175.15 km) |
| Siegburg to Calasparra | 971.41 mi (1,563.33 km) |
| Siegburg to Calatayud | 777.15 mi (1,250.71 km) |
| Siegburg to Caldas de Montbuy | 677.31 mi (1,090.02 km) |
| Siegburg to Caldas de Reyes | 937.17 mi (1,508.24 km) |
| Siegburg to Calella | 670.36 mi (1,078.84 km) |
| Siegburg to Callosa de Segura | 961.09 mi (1,546.72 km) |
| Siegburg to Calpe | 909.46 mi (1,463.64 km) |
| Siegburg to Calvia | 808.91 mi (1,301.82 km) |
| Siegburg to Camas | 1,131.39 mi (1,820.80 km) |
| Siegburg to Cambados | 948.04 mi (1,525.72 km) |
| Siegburg to Cambre | 894.35 mi (1,439.31 km) |
| Siegburg to Cambrils | 733.97 mi (1,181.22 km) |
| Siegburg to Campo de Criptana | 932.86 mi (1,501.29 km) |
