| Ilhavo to Coin | 344.22 mi (553.97 km) |
| Ilhavo to Colindres | 330.25 mi (531.49 km) |
| Ilhavo to Collado-Villalba | 244.30 mi (393.17 km) |
| Ilhavo to Colmenar Viejo | 256.99 mi (413.58 km) |
| Ilhavo to Colmenarejo | 243.99 mi (392.66 km) |
| Ilhavo to Conil de la Frontera | 330.40 mi (531.73 km) |
| Ilhavo to Consuegra | 278.97 mi (448.97 km) |
| Ilhavo to Corbera de Llobregat | 555.09 mi (893.34 km) |
| Ilhavo to Cordoba | 280.07 mi (450.72 km) |
| Ilhavo to Coria del Rio | 268.83 mi (432.65 km) |
| Ilhavo to Crevillente | 449.55 mi (723.48 km) |
| Ilhavo to Cuarte de Huerva | 409.10 mi (658.38 km) |
| Ilhavo to Cubellas | 541.30 mi (871.13 km) |
| Ilhavo to Cuellar | 233.61 mi (375.96 km) |
| Ilhavo to Cuenca | 345.12 mi (555.42 km) |
