| Hardenberg to Cartagena | 1,097.05 mi (1,765.54 km) |
| Hardenberg to Cartama | 1,223.80 mi (1,969.51 km) |
| Hardenberg to Cartaya | 1,247.72 mi (2,008.01 km) |
| Hardenberg to Caspe | 842.77 mi (1,356.31 km) |
| Hardenberg to Cassa de la Selva | 758.08 mi (1,220.01 km) |
| Hardenberg to Castalla | 1,026.27 mi (1,651.62 km) |
| Hardenberg to Castellbisbal | 796.31 mi (1,281.53 km) |
| Hardenberg to Castelldefels | 809.56 mi (1,302.86 km) |
| Hardenberg to Castello de Ampurias | 731.01 mi (1,176.45 km) |
| Hardenberg to Castellon de la Plana | 924.65 mi (1,488.09 km) |
| Hardenberg to Castilleja de la Cuesta | 1,214.12 mi (1,953.93 km) |
| Hardenberg to Catarroja | 968.86 mi (1,559.23 km) |
| Hardenberg to Catral | 1,057.28 mi (1,701.52 km) |
| Hardenberg to Caudete | 1,024.46 mi (1,648.70 km) |
| Hardenberg to Cehegin | 1,078.64 mi (1,735.90 km) |
