| Galveston to Cadiz | 4,978.65 mi (8,012.36 km) |
| Galveston to Calafell | 5,226.40 mi (8,411.08 km) |
| Galveston to Calahorra | 5,029.17 mi (8,093.67 km) |
| Galveston to Calasparra | 5,159.92 mi (8,304.09 km) |
| Galveston to Calatayud | 5,071.93 mi (8,162.49 km) |
| Galveston to Caldas de Montbuy | 5,240.72 mi (8,434.13 km) |
| Galveston to Caldas de Reyes | 4,706.45 mi (7,574.30 km) |
| Galveston to Calella | 5,264.10 mi (8,471.75 km) |
| Galveston to Callosa de Segura | 5,203.32 mi (8,373.93 km) |
| Galveston to Calpe | 5,232.41 mi (8,420.76 km) |
| Galveston to Calvia | 5,321.51 mi (8,564.15 km) |
| Galveston to Camas | 4,968.18 mi (7,995.51 km) |
| Galveston to Cambados | 4,701.18 mi (7,565.82 km) |
| Galveston to Cambre | 4,704.72 mi (7,571.51 km) |
| Galveston to Cambrils | 5,206.58 mi (8,379.18 km) |
