| Bad Homburg to Cartagena | 991.80 mi (1,596.15 km) |
| Bad Homburg to Cartama | 1,141.25 mi (1,836.67 km) |
| Bad Homburg to Cartaya | 1,185.22 mi (1,907.43 km) |
| Bad Homburg to Caspe | 746.34 mi (1,201.11 km) |
| Bad Homburg to Cassa de la Selva | 637.05 mi (1,025.23 km) |
| Bad Homburg to Castalla | 922.48 mi (1,484.59 km) |
| Bad Homburg to Castellbisbal | 682.08 mi (1,097.70 km) |
| Bad Homburg to Castelldefels | 694.49 mi (1,117.68 km) |
| Bad Homburg to Castello de Ampurias | 609.58 mi (981.02 km) |
| Bad Homburg to Castellon de la Plana | 821.68 mi (1,322.37 km) |
| Bad Homburg to Castilleja de la Cuesta | 1,144.63 mi (1,842.10 km) |
| Bad Homburg to Catarroja | 866.36 mi (1,394.27 km) |
| Bad Homburg to Catral | 952.80 mi (1,533.38 km) |
| Bad Homburg to Caudete | 923.62 mi (1,486.42 km) |
| Bad Homburg to Cehegin | 981.49 mi (1,579.55 km) |
