| Idanha-a-Nova to Cartagena | 372.80 mi (599.96 km) |
| Idanha-a-Nova to Cartama | 262.56 mi (422.55 km) |
| Idanha-a-Nova to Cartaya | 182.01 mi (292.91 km) |
| Idanha-a-Nova to Caspe | 388.53 mi (625.27 km) |
| Idanha-a-Nova to Cassa de la Selva | 544.78 mi (876.74 km) |
| Idanha-a-Nova to Castalla | 362.65 mi (583.63 km) |
| Idanha-a-Nova to Castellbisbal | 494.37 mi (795.62 km) |
| Idanha-a-Nova to Castelldefels | 492.02 mi (791.83 km) |
| Idanha-a-Nova to Castello de Ampurias | 560.23 mi (901.61 km) |
| Idanha-a-Nova to Castellon de la Plana | 381.30 mi (613.64 km) |
| Idanha-a-Nova to Castilleja de la Cuesta | 186.32 mi (299.85 km) |
| Idanha-a-Nova to Catarroja | 364.88 mi (587.22 km) |
| Idanha-a-Nova to Catral | 365.62 mi (588.41 km) |
| Idanha-a-Nova to Caudete | 344.13 mi (553.82 km) |
| Idanha-a-Nova to Cehegin | 317.77 mi (511.40 km) |
