| Signal Hill to Cadiz | 5,891.50 mi (9,481.45 km) |
| Signal Hill to Calafell | 5,995.27 mi (9,648.46 km) |
| Signal Hill to Calahorra | 5,809.68 mi (9,349.78 km) |
| Signal Hill to Calasparra | 6,007.08 mi (9,667.47 km) |
| Signal Hill to Calatayud | 5,866.09 mi (9,440.56 km) |
| Signal Hill to Caldas de Montbuy | 5,996.89 mi (9,651.05 km) |
| Signal Hill to Caldas de Reyes | 5,533.59 mi (8,905.45 km) |
| Signal Hill to Calella | 6,016.03 mi (9,681.86 km) |
| Signal Hill to Callosa de Segura | 6,045.15 mi (9,728.73 km) |
| Signal Hill to Calpe | 6,057.54 mi (9,748.67 km) |
| Signal Hill to Calvia | 6,109.22 mi (9,831.84 km) |
| Signal Hill to Camas | 5,864.80 mi (9,438.48 km) |
| Signal Hill to Cambados | 5,531.35 mi (8,901.84 km) |
| Signal Hill to Cambre | 5,517.32 mi (8,879.27 km) |
| Signal Hill to Cambrils | 5,982.28 mi (9,627.56 km) |
