| Reading to Cadiz | 1,063.53 mi (1,711.58 km) |
| Reading to Calafell | 718.66 mi (1,156.57 km) |
| Reading to Calahorra | 634.22 mi (1,020.67 km) |
| Reading to Calasparra | 914.34 mi (1,471.49 km) |
| Reading to Calatayud | 698.83 mi (1,124.66 km) |
| Reading to Caldas de Montbuy | 694.64 mi (1,117.91 km) |
| Reading to Caldas de Reyes | 709.28 mi (1,141.48 km) |
| Reading to Calella | 701.10 mi (1,128.31 km) |
| Reading to Callosa de Segura | 921.14 mi (1,482.44 km) |
| Reading to Calpe | 886.40 mi (1,426.52 km) |
| Reading to Calvia | 838.26 mi (1,349.05 km) |
| Reading to Camas | 1,001.88 mi (1,612.38 km) |
| Reading to Cambados | 719.41 mi (1,157.78 km) |
| Reading to Cambre | 660.58 mi (1,063.09 km) |
| Reading to Cambrils | 724.13 mi (1,165.37 km) |
