| Gloucester to Cadiz | 1,077.59 mi (1,734.21 km) |
| Gloucester to Calafell | 758.51 mi (1,220.70 km) |
| Gloucester to Calahorra | 660.96 mi (1,063.72 km) |
| Gloucester to Calasparra | 942.37 mi (1,516.60 km) |
| Gloucester to Calatayud | 727.05 mi (1,170.07 km) |
| Gloucester to Caldas de Montbuy | 736.79 mi (1,185.75 km) |
| Gloucester to Caldas de Reyes | 706.07 mi (1,136.31 km) |
| Gloucester to Calella | 744.77 mi (1,198.59 km) |
| Gloucester to Callosa de Segura | 951.77 mi (1,531.72 km) |
| Gloucester to Calpe | 920.01 mi (1,480.61 km) |
| Gloucester to Calvia | 879.63 mi (1,415.63 km) |
| Gloucester to Camas | 1,016.11 mi (1,635.27 km) |
| Gloucester to Cambados | 715.82 mi (1,152.00 km) |
| Gloucester to Cambre | 656.78 mi (1,056.99 km) |
| Gloucester to Cambrils | 762.18 mi (1,226.61 km) |
