| Harlingen to Cervello | 829.56 mi (1,335.05 km) |
| Harlingen to Cervera | 818.16 mi (1,316.69 km) |
| Harlingen to Ceuti | 1,090.84 mi (1,755.54 km) |
| Harlingen to Cheste | 989.17 mi (1,591.91 km) |
| Harlingen to Chiclana de la Frontera | 1,285.69 mi (2,069.12 km) |
| Harlingen to Chipiona | 1,271.52 mi (2,046.32 km) |
| Harlingen to Chiva | 990.21 mi (1,593.59 km) |
| Harlingen to Churriana de la Vega | 1,189.92 mi (1,914.99 km) |
| Harlingen to Ciempozuelos | 994.41 mi (1,600.35 km) |
| Harlingen to Cieza | 1,082.23 mi (1,741.68 km) |
| Harlingen to Cisterniga | 925.99 mi (1,490.24 km) |
| Harlingen to Ciudad de Melilla | 1,301.71 mi (2,094.90 km) |
| Harlingen to Ciudad Real | 1,075.76 mi (1,731.27 km) |
| Harlingen to Ciudad-Rodrigo | 1,033.50 mi (1,663.25 km) |
| Harlingen to Cocentaina | 1,035.12 mi (1,665.86 km) |
