| Middle Valley to Cadiz | 4,283.68 mi (6,893.92 km) |
| Middle Valley to Calafell | 4,527.43 mi (7,286.19 km) |
| Middle Valley to Calahorra | 4,330.17 mi (6,968.73 km) |
| Middle Valley to Calasparra | 4,461.72 mi (7,180.45 km) |
| Middle Valley to Calatayud | 4,372.83 mi (7,037.39 km) |
| Middle Valley to Caldas de Montbuy | 4,541.93 mi (7,309.53 km) |
| Middle Valley to Caldas de Reyes | 4,007.41 mi (6,449.31 km) |
| Middle Valley to Calella | 4,565.37 mi (7,347.25 km) |
| Middle Valley to Callosa de Segura | 4,505.00 mi (7,250.10 km) |
| Middle Valley to Calpe | 4,533.69 mi (7,296.27 km) |
| Middle Valley to Calvia | 4,622.41 mi (7,439.05 km) |
| Middle Valley to Camas | 4,272.04 mi (6,875.18 km) |
| Middle Valley to Cambados | 4,002.17 mi (6,440.87 km) |
| Middle Valley to Cambre | 4,005.61 mi (6,446.41 km) |
| Middle Valley to Cambrils | 4,507.54 mi (7,254.19 km) |
