| Witham to Cadiz | 1,107.91 mi (1,783.01 km) |
| Witham to Calafell | 733.53 mi (1,180.51 km) |
| Witham to Calahorra | 667.47 mi (1,074.19 km) |
| Witham to Calasparra | 944.20 mi (1,519.54 km) |
| Witham to Calatayud | 729.79 mi (1,174.48 km) |
| Witham to Caldas de Montbuy | 706.02 mi (1,136.23 km) |
| Witham to Caldas de Reyes | 768.88 mi (1,237.39 km) |
| Witham to Calella | 709.88 mi (1,142.44 km) |
| Witham to Callosa de Segura | 947.72 mi (1,525.21 km) |
| Witham to Calpe | 909.22 mi (1,463.25 km) |
| Witham to Calvia | 849.89 mi (1,367.76 km) |
| Witham to Camas | 1,046.30 mi (1,683.85 km) |
| Witham to Cambados | 779.21 mi (1,254.03 km) |
| Witham to Cambre | 720.76 mi (1,159.96 km) |
| Witham to Cambrils | 741.69 mi (1,193.64 km) |
