| Town Name | Type | Region | Province / State | County | Municipality | Population | Latitude | Longitude | |
|---|---|---|---|---|---|---|---|---|---|
| Crevillent | town | 27762 | 38.249310 | -0.811136 | Map | ||||
| Cuarte de Huerva | village | 8208 | 41.593594 | -0.938883 | Map | ||||
| Cubas de la Sagra | village | Comunidad de Madrid | Madrid | 2430 | 40.190834 | -3.837837 | Map | ||
| Cubelles | town | 13430 | 41.208336 | 1.673054 | Map | ||||
| Cubillos del Sil | village | 1235 | 42.624088 | -6.562916 | Map | ||||
| Cudillero | village | Principado de Asturi | Asturias | 1615 | 43.563328 | -6.145806 | Map | ||
| Cuéllar | town | 8374 | 41.399635 | -4.315608 | Map | ||||
| Cuenca | city | 52980 | 40.068115 | -2.134824 | Map | ||||
| Cuerva | village | 1564 | 39.663494 | -4.212696 | Map | ||||
| Cuevas Bajas | village | 1459 | 37.232708 | -4.486021 | Map | ||||
| Cuevas de San Marcos | village | 4107 | 37.266941 | -4.417610 | Map | ||||
| Cuevas del Almanzora | town | 5868 | 37.296139 | -1.880722 | Map | ||||
| Cuevas del Becerro | village | 1771 | 36.875942 | -5.044100 | Map | ||||
| Cuevas del Campo | village | 2054 | 37.606792 | -2.929068 | Map | ||||
| Cúllar | village | 3723 | 37.584896 | -2.577857 | Map | ||||
| Cúllar Vega | village | 5498 | 37.155907 | -3.672904 | Map | ||||
| Cullera | town | 21321 | 39.165985 | -0.252669 | Map | ||||
| Cumbres Mayores | village | 1954 | 38.062317 | -6.646624 | Map | ||||
| Cunit | town | 12464 | 41.197598 | 1.634460 | Map | ||||
| Currás | village | 3078 | 42.585850 | -8.662582 | Map | ||||
| Daganzo de Arriba | village | Comunidad de Madrid | Madrid | 8987 | 40.544937 | -3.457911 | Map | ||
| Daimiel | town | 18656 | 39.072197 | -3.614361 | Map | ||||
| Daimús | village | 3171 | 38.969582 | -0.155081 | Map | ||||
| Dalías | village | 3533 | 36.821457 | -2.870206 | Map | ||||
| Daroca | village | 2300 | 41.113327 | -1.417064 | Map |