| Idanha-a-Nova to Coin | 261.81 mi (421.34 km) |
| Idanha-a-Nova to Colindres | 309.75 mi (498.50 km) |
| Idanha-a-Nova to Collado-Villalba | 177.06 mi (284.94 km) |
| Idanha-a-Nova to Colmenar Viejo | 189.80 mi (305.45 km) |
| Idanha-a-Nova to Colmenarejo | 175.37 mi (282.23 km) |
| Idanha-a-Nova to Conil de la Frontera | 259.82 mi (418.14 km) |
| Idanha-a-Nova to Consuegra | 195.37 mi (314.41 km) |
| Idanha-a-Nova to Corbera de Llobregat | 491.11 mi (790.36 km) |
| Idanha-a-Nova to Cordoba | 192.66 mi (310.05 km) |
| Idanha-a-Nova to Coria del Rio | 192.84 mi (310.34 km) |
| Idanha-a-Nova to Crevillente | 363.22 mi (584.55 km) |
| Idanha-a-Nova to Cuarte de Huerva | 350.00 mi (563.28 km) |
| Idanha-a-Nova to Cubellas | 475.75 mi (765.65 km) |
| Idanha-a-Nova to Cuellar | 184.20 mi (296.44 km) |
| Idanha-a-Nova to Cuenca | 269.25 mi (433.31 km) |
