| Harlingen to Calafell | 846.55 mi (1,362.39 km) |
| Harlingen to Calahorra | 825.08 mi (1,327.83 km) |
| Harlingen to Calasparra | 1,086.91 mi (1,749.22 km) |
| Harlingen to Calatayud | 880.42 mi (1,416.91 km) |
| Harlingen to Caldas de Montbuy | 811.61 mi (1,306.16 km) |
| Harlingen to Caldas de Reyes | 975.36 mi (1,569.69 km) |
| Harlingen to Calella | 808.72 mi (1,301.51 km) |
| Harlingen to Callosa de Segura | 1,082.58 mi (1,742.25 km) |
| Harlingen to Calpe | 1,035.91 mi (1,667.13 km) |
| Harlingen to Calvia | 950.27 mi (1,529.32 km) |
| Harlingen to Camas | 1,220.37 mi (1,964.00 km) |
| Harlingen to Cambados | 985.98 mi (1,586.77 km) |
| Harlingen to Cambre | 928.61 mi (1,494.45 km) |
| Harlingen to Cambrils | 860.94 mi (1,385.55 km) |
| Harlingen to Campo de Criptana | 1,033.67 mi (1,663.53 km) |
