| Harderwijk to Cartagena | 1,067.84 mi (1,718.52 km) |
| Harderwijk to Cartama | 1,189.85 mi (1,914.88 km) |
| Harderwijk to Cartaya | 1,210.56 mi (1,948.20 km) |
| Harderwijk to Caspe | 812.64 mi (1,307.81 km) |
| Harderwijk to Cassa de la Selva | 734.03 mi (1,181.31 km) |
| Harderwijk to Castalla | 996.95 mi (1,604.44 km) |
| Harderwijk to Castellbisbal | 770.35 mi (1,239.76 km) |
| Harderwijk to Castelldefels | 783.73 mi (1,261.29 km) |
| Harderwijk to Castello de Ampurias | 707.26 mi (1,138.22 km) |
| Harderwijk to Castellon de la Plana | 895.53 mi (1,441.21 km) |
| Harderwijk to Castilleja de la Cuesta | 1,178.05 mi (1,895.89 km) |
| Harderwijk to Catarroja | 939.46 mi (1,511.92 km) |
| Harderwijk to Catral | 1,028.01 mi (1,654.43 km) |
| Harderwijk to Caudete | 994.52 mi (1,600.52 km) |
| Harderwijk to Cehegin | 1,047.78 mi (1,686.24 km) |
