| Alton to Cehegin | 903.06 mi (1,453.34 km) |
| Alton to Cervello | 688.19 mi (1,107.54 km) |
| Alton to Cervera | 663.90 mi (1,068.44 km) |
| Alton to Ceuti | 903.23 mi (1,453.60 km) |
| Alton to Cheste | 806.45 mi (1,297.85 km) |
| Alton to Chiclana de la Frontera | 1,049.49 mi (1,688.99 km) |
| Alton to Chipiona | 1,031.68 mi (1,660.33 km) |
| Alton to Chiva | 806.99 mi (1,298.73 km) |
| Alton to Churriana de la Vega | 976.16 mi (1,570.97 km) |
| Alton to Ciempozuelos | 769.88 mi (1,239.00 km) |
| Alton to Cieza | 892.30 mi (1,436.01 km) |
| Alton to Cisterniga | 681.72 mi (1,097.12 km) |
| Alton to Ciudad de Melilla | 1,100.70 mi (1,771.41 km) |
| Alton to Ciudad Real | 852.59 mi (1,372.12 km) |
| Alton to Ciudad-Rodrigo | 776.12 mi (1,249.04 km) |
