| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cabanillas de la Sierra | city | Madrid | Spain | 40.82 | -3.62 | 2887 | 4788 |
| Cadalso | city | Madrid | Spain | 40.30 | -4.43 | 2526 | 3872 |
| Cadalso de los Vidrios | city | Madrid | Spain | 40.30 | -4.43 | 2526 | 3872 |
| Camarma de Esteruelas | city | Madrid | Spain | 40.55 | -3.37 | 2509 | 51942 |
| Campamento | city | Madrid | Spain | 40.38 | -3.78 | 2509 | 375427 |
| Campo Real | city | Madrid | Spain | 40.33 | -3.38 | 2539 | 10981 |
| Camporreal | city | Madrid | Spain | 40.33 | -3.38 | 2539 | 10981 |
| Canencia | city | Madrid | Spain | 40.91 | -3.74 | 4609 | 932 |
| Canillas | city | Madrid | Spain | 40.46 | -3.64 | 2509 | 448661 |
| Canillejas | city | Madrid | Spain | 40.44 | -3.61 | 2509 | 470726 |
| Cantera | city | Madrid | Spain | 40.30 | -3.43 | 2509 | 31190 |
| Canteras | city | Madrid | Spain | 40.30 | -3.43 | 2509 | 31190 |
| Canteras de Vallecas | city | Madrid | Spain | 40.30 | -3.43 | 2509 | 31190 |
| Canteras del Morro | city | Madrid | Spain | 40.30 | -3.43 | 2509 | 31190 |
| Carabana | city | Madrid | Spain | 40.25 | -3.24 | 2509 | 2227 |
| Carabanchel | city | Madrid | Spain | 40.38 | -3.74 | 1952 | 433274 |
| Carabanchel Alto | city | Madrid | Spain | 40.37 | -3.75 | 1991 | 414234 |
| Carabanchel Bajo | city | Madrid | Spain | 40.38 | -3.74 | 1952 | 433274 |
| Carabanchel distritu | city | Madrid | Spain | 40.38 | -3.74 | 1952 | 433274 |
| Casa Blanca | city | Madrid | Spain | 40.48 | -3.44 | 1866 | 163530 |
| Casa Eulogio | city | Madrid | Spain | 40.32 | -3.55 | 1899 | 115548 |
| Casa de Arenales | city | Madrid | Spain | 40.12 | -3.10 | 1988 | 1202 |
| Casa de Eulogio | city | Madrid | Spain | 40.32 | -3.55 | 1899 | 115548 |
| Casa de Quintana | city | Madrid | Spain | 40.47 | -3.51 | 1932 | 191497 |
| Casa de la Poveda | city | Madrid | Spain | 40.30 | -3.47 | 1998 | 41051 |
| Casa del Encin | city | Madrid | Spain | 40.53 | -3.30 | 1938 | 66395 |
| Casa del Marqués de Remisa | city | Madrid | Spain | 40.12 | -3.10 | 1988 | 1202 |
| Casarrubuelos | city | Madrid | Spain | 40.17 | -3.83 | 1938 | 21822 |
| Casas Labor Ambróz | city | Madrid | Spain | 40.42 | -3.58 | 2047 | 456274 |
| Casas Labor El Encín | city | Madrid | Spain | 40.53 | -3.30 | 1938 | 66395 |
| Casas Labor Fuentesauco | city | Madrid | Spain | 40.18 | -3.18 | 2509 | 1673 |
| Casas de La Prosperidad | city | Madrid | Spain | 40.44 | -3.67 | 2509 | 460273 |
| Casas de las Manoteras | city | Madrid | Spain | 40.49 | -3.67 | 2509 | 420271 |
| Caserio El Negralejo | city | Madrid | Spain | 40.40 | -3.51 | 1758 | 194124 |
| Caserio El Piul | city | Madrid | Spain | 40.34 | -3.49 | 1725 | 52834 |
| Caserio El Porcal | city | Madrid | Spain | 40.30 | -3.53 | 1709 | 39029 |
| Caserio Gozquez de Arriba | city | Madrid | Spain | 40.24 | -3.60 | 1847 | 30741 |
| Caserio La Aldehuela | city | Madrid | Spain | 40.30 | -3.59 | 1879 | 147680 |
| Caserio La Canada | city | Madrid | Spain | 40.42 | -3.54 | 1794 | 309053 |
| Caserio Somosaguas | city | Madrid | Spain | 40.42 | -3.80 | 2509 | 316763 |
| Caserio Soto de Pajares | city | Madrid | Spain | 40.28 | -3.53 | 1732 | 20241 |
| Caserio Valdetablas | city | Madrid | Spain | 40.36 | -4.09 | 1830 | 3652 |
| Caserío Baezuela | city | Madrid | Spain | 40.45 | -3.43 | 1850 | 151692 |
| Caserío Belvis | city | Madrid | Spain | 40.56 | -3.55 | 2080 | 59610 |
| Caserío Castillo de Aldovea | city | Madrid | Spain | 40.43 | -3.47 | 1804 | 128141 |
| Caserío Gózquez de Abajo | city | Madrid | Spain | 40.23 | -3.56 | 1669 | 12384 |
| Caserío Monte Robledal | city | Madrid | Spain | 40.25 | -3.14 | 2509 | 1171 |
| Caserío Perales de Milla | city | Madrid | Spain | 40.41 | -4.10 | 1748 | 2415 |
| Caserío Romanillos | city | Madrid | Spain | 40.44 | -3.93 | 2509 | 63573 |
| Caserío Venta Vieja de San Anton | city | Madrid | Spain | 40.47 | -3.94 | 2040 | 60470 |
| Caserío de Ambroz | city | Madrid | Spain | 40.42 | -3.58 | 2047 | 456274 |
| Castillo de Aldovea | city | Madrid | Spain | 40.43 | -3.47 | 1804 | 128141 |
| Cenicientos | city | Madrid | Spain | 40.26 | -4.47 | 2509 | 2572 |
| Central de Navallar | city | Madrid | Spain | 40.65 | -3.80 | 2687 | 32281 |
| Cerceda | city | Madrid | Spain | 40.70 | -3.93 | 3349 | 18536 |
| Cercedilla | city | Madrid | Spain | 40.74 | -4.06 | 3736 | 15243 |
| Cervera de Buitrago | city | Madrid | Spain | 40.92 | -3.53 | 2785 | 618 |
| Chamartín | city | Madrid | Spain | 40.46 | -3.68 | 2509 | 459061 |
| Chamartín de la Rosa | city | Madrid | Spain | 40.46 | -3.68 | 2509 | 459061 |
| Chapineria | city | Madrid | Spain | 40.38 | -4.21 | 1827 | 3238 |
| Chetafė | city | Madrid | Spain | 40.31 | -3.71 | 1952 | 270631 |
| Chinchon | city | Madrid | Spain | 40.14 | -3.42 | 2509 | 2700 |
| Chozas de la Sierra | city | Madrid | Spain | 40.75 | -3.78 | 3349 | 11699 |
| Ciempozuelos | city | Madrid | Spain | 40.16 | -3.62 | 1669 | 32656 |
| Cinco Villas | city | Madrid | Spain | 40.96 | -3.61 | 3349 | 2035 |
| Ciudad Lineal | city | Madrid | Spain | 40.45 | -3.65 | 2509 | 458597 |
| Ciudad Lineal distritu | city | Madrid | Spain | 40.45 | -3.65 | 2509 | 458597 |
| Cobena | city | Madrid | Spain | 40.57 | -3.50 | 2509 | 20105 |
| Collado Mediano | city | Madrid | Spain | 40.69 | -4.03 | 3349 | 31634 |
| Collado Villalba | city | Madrid | Spain | 40.64 | -3.99 | 3349 | 68849 |
| Collado-Villalba | city | Madrid | Spain | 40.64 | -3.99 | 3349 | 68849 |
| Colmenar Viejo | city | Madrid | Spain | 40.66 | -3.77 | 2644 | 27250 |
| Colmenar de Oreja | city | Madrid | Spain | 40.11 | -3.39 | 2509 | 3328 |
| Colmenar del Arroyo | city | Madrid | Spain | 40.42 | -4.20 | 2509 | 2609 |
| Colmenarejo | city | Madrid | Spain | 40.56 | -4.01 | 2811 | 26950 |
| Colonia Agricola | city | Madrid | Spain | 40.40 | -3.30 | 2690 | 7789 |
| Colonia Alfar | city | Madrid | Spain | 40.45 | -3.79 | 2509 | 326485 |
| Colonia Alta | city | Madrid | Spain | 40.45 | -3.79 | 2509 | 326485 |
| Colonia Apeadero | city | Madrid | Spain | 40.71 | -4.07 | 3480 | 20892 |
| Colonia Valdelamasa | city | Madrid | Spain | 40.58 | -3.67 | 2509 | 284261 |
| Colonia de Valverde | city | Madrid | Spain | 40.40 | -3.30 | 2690 | 7789 |
| Complutum | city | Madrid | Spain | 40.48 | -3.36 | 1971 | 133270 |
| Corpa | city | Madrid | Spain | 40.42 | -3.26 | 2664 | 6728 |
| Cortijo de San Isidro | city | Madrid | Spain | 40.05 | -3.56 | 1669 | 22662 |
| Cotafe | city | Madrid | Spain | 40.31 | -3.71 | 1952 | 270631 |
| Cuatro Vientos | city | Madrid | Spain | 40.37 | -3.78 | 2509 | 387111 |
| Cubas | city | Madrid | Spain | 40.19 | -3.84 | 2017 | 26847 |
| Cubas de la Sagra | city | Madrid | Spain | 40.19 | -3.84 | 2017 | 26847 |
| Cómpluto | city | Madrid | Spain | 40.48 | -3.36 | 1971 | 133270 |