| Rockwall to Cadiz | 4,921.14 mi (7,919.81 km) |
| Rockwall to Calafell | 5,136.22 mi (8,265.94 km) |
| Rockwall to Calahorra | 4,940.06 mi (7,950.25 km) |
| Rockwall to Calasparra | 5,087.40 mi (8,187.38 km) |
| Rockwall to Calatayud | 4,986.27 mi (8,024.63 km) |
| Rockwall to Caldas de Montbuy | 5,147.82 mi (8,284.61 km) |
| Rockwall to Caldas de Reyes | 4,625.61 mi (7,444.20 km) |
| Rockwall to Calella | 5,170.44 mi (8,321.02 km) |
| Rockwall to Callosa de Segura | 5,129.85 mi (8,255.69 km) |
| Rockwall to Calpe | 5,155.20 mi (8,296.49 km) |
| Rockwall to Calvia | 5,236.32 mi (8,427.04 km) |
| Rockwall to Camas | 4,906.45 mi (7,896.16 km) |
| Rockwall to Cambados | 4,621.02 mi (7,436.81 km) |
| Rockwall to Cambre | 4,620.41 mi (7,435.83 km) |
| Rockwall to Cambrils | 5,117.78 mi (8,236.27 km) |
