| Half Moon Bay to Cadiz | 5,896.68 mi (9,489.79 km) |
| Half Moon Bay to Calafell | 5,954.16 mi (9,582.30 km) |
| Half Moon Bay to Calahorra | 5,775.21 mi (9,294.29 km) |
| Half Moon Bay to Calasparra | 5,989.51 mi (9,639.18 km) |
| Half Moon Bay to Calatayud | 5,834.71 mi (9,390.06 km) |
| Half Moon Bay to Caldas de Montbuy | 5,952.01 mi (9,578.83 km) |
| Half Moon Bay to Caldas de Reyes | 5,517.89 mi (8,880.18 km) |
| Half Moon Bay to Calella | 5,969.58 mi (9,607.12 km) |
| Half Moon Bay to Callosa de Segura | 6,025.29 mi (9,696.76 km) |
| Half Moon Bay to Calpe | 6,032.32 mi (9,708.08 km) |
| Half Moon Bay to Calvia | 6,071.78 mi (9,771.58 km) |
| Half Moon Bay to Camas | 5,865.18 mi (9,439.09 km) |
| Half Moon Bay to Cambados | 5,516.60 mi (8,878.11 km) |
| Half Moon Bay to Cambre | 5,497.51 mi (8,847.39 km) |
| Half Moon Bay to Cambrils | 5,943.42 mi (9,565.01 km) |
