| Altena to Campos del Puerto | 850.11 mi (1,368.13 km) |
| Altena to Canals | 941.24 mi (1,514.78 km) |
| Altena to Candelaria | 2,015.59 mi (3,243.78 km) |
| Altena to Canet de Mar | 712.71 mi (1,146.99 km) |
| Altena to Cangas | 993.82 mi (1,599.40 km) |
| Altena to Cangas de Narcea | 868.89 mi (1,398.35 km) |
| Altena to Canovellas | 715.92 mi (1,152.17 km) |
| Altena to Canteras | 1,036.99 mi (1,668.88 km) |
| Altena to Cantillana | 1,152.85 mi (1,855.34 km) |
| Altena to Capdepera | 826.92 mi (1,330.81 km) |
| Altena to Carballo | 945.09 mi (1,520.98 km) |
| Altena to Carcagente | 928.17 mi (1,493.75 km) |
| Altena to Cardedeu | 713.11 mi (1,147.64 km) |
| Altena to Carlet | 923.00 mi (1,485.42 km) |
| Altena to Carmona | 1,155.75 mi (1,860.00 km) |
