| Harderwijk to Calafell | 793.49 mi (1,276.99 km) |
| Harderwijk to Calahorra | 778.94 mi (1,253.58 km) |
| Harderwijk to Calasparra | 1,037.06 mi (1,668.99 km) |
| Harderwijk to Calatayud | 832.66 mi (1,340.04 km) |
| Harderwijk to Caldas de Montbuy | 757.89 mi (1,219.71 km) |
| Harderwijk to Caldas de Reyes | 943.71 mi (1,518.76 km) |
| Harderwijk to Calella | 754.36 mi (1,214.03 km) |
| Harderwijk to Callosa de Segura | 1,031.55 mi (1,660.12 km) |
| Harderwijk to Calpe | 983.89 mi (1,583.42 km) |
| Harderwijk to Calvia | 895.65 mi (1,441.41 km) |
| Harderwijk to Camas | 1,176.49 mi (1,893.37 km) |
| Harderwijk to Cambados | 954.43 mi (1,536.00 km) |
| Harderwijk to Cambre | 897.86 mi (1,444.96 km) |
| Harderwijk to Cambrils | 808.55 mi (1,301.23 km) |
| Harderwijk to Campo de Criptana | 986.79 mi (1,588.09 km) |
