| Altena to Calafell | 755.54 mi (1,215.92 km) |
| Altena to Calahorra | 769.51 mi (1,238.41 km) |
| Altena to Calasparra | 1,011.28 mi (1,627.50 km) |
| Altena to Calatayud | 816.81 mi (1,314.52 km) |
| Altena to Caldas de Montbuy | 716.87 mi (1,153.69 km) |
| Altena to Caldas de Reyes | 972.27 mi (1,564.72 km) |
| Altena to Calella | 709.72 mi (1,142.18 km) |
| Altena to Callosa de Segura | 1,000.92 mi (1,610.82 km) |
| Altena to Calpe | 949.20 mi (1,527.60 km) |
| Altena to Calvia | 847.97 mi (1,364.67 km) |
| Altena to Camas | 1,170.67 mi (1,884.00 km) |
| Altena to Cambados | 983.13 mi (1,582.19 km) |
| Altena to Cambre | 928.93 mi (1,494.97 km) |
| Altena to Cambrils | 773.75 mi (1,245.24 km) |
| Altena to Campo de Criptana | 972.50 mi (1,565.09 km) |
