| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Cabaggaoan | city | Province of Cagayan | Philippines | 18.25 | 121.5666667 | 95 | 18759 |
| Caballyal | city | Province of Cagayan | Philippines | 17.8502778 | 121.6233333 | 180 | 10058 |
| Cabalwan | city | Province of Cagayan | Philippines | 17.6608333 | 121.5516667 | 288 | 33854 |
| Cabanbanan | city | Province of Cagayan | Philippines | 18.2433333 | 121.9394444 | 157 | 17171 |
| Cabaoan | city | Province of Cagayan | Philippines | 17.6372222 | 121.5472222 | 337 | 33854 |
| Cabaritan | city | Province of Cagayan | Philippines | 18.4205556 | 121.4897222 | 13 | 8900 |
| Cabaritan | city | Province of Cagayan | Philippines | 18.2333333 | 121.5833333 | 144 | 18759 |
| Cabaritan | city | Province of Cagayan | Philippines | 17.6097222 | 121.6388889 | 262 | 48532 |
| Cabaritan | city | Province of Cagayan | Philippines | 18.2961111 | 121.8175 | 0 | 9076 |
| Cabaritan East | city | Province of Cagayan | Philippines | 18.4205556 | 121.4897222 | 13 | 8900 |
| Cabaroan | city | Province of Cagayan | Philippines | 17.6716667 | 121.6555556 | 203 | 58083 |
| Cabaroan | city | Province of Cagayan | Philippines | 19.4808333 | 121.9530556 | 0 | 1095 |
| Cabarritan | city | Province of Cagayan | Philippines | 17.6097222 | 121.6388889 | 262 | 48532 |
| Cabaruan | city | Province of Cagayan | Philippines | 17.8263889 | 121.6447222 | 154 | 18472 |
| Cabaruan | city | Province of Cagayan | Philippines | 17.6716667 | 121.6555556 | 203 | 58083 |
| Cabasan | city | Province of Cagayan | Philippines | 17.6041667 | 121.8197222 | 275 | 36412 |
| Cabayo | city | Province of Cagayan | Philippines | 17.8225 | 121.5375 | 88 | 13133 |
| Cabayo | city | Province of Cagayan | Philippines | 17.8833333 | 121.5666667 | 183 | 5497 |
| Cabayo | city | Province of Cagayan | Philippines | 18.2666667 | 121.6833333 | 13 | 24788 |
| Cabbaggan | city | Province of Cagayan | Philippines | 18.5 | 121.3666667 | 3 | 9455 |
| Cabbo | city | Province of Cagayan | Philippines | 17.6166667 | 121.8 | 278 | 36412 |
| Cabiraoan | city | Province of Cagayan | Philippines | 18.3391667 | 122.0888889 | 91 | 4885 |
| Cabittaogan | city | Province of Cagayan | Philippines | 18.2833333 | 121.8833333 | 0 | 18188 |
| Cabudadan | city | Province of Cagayan | Philippines | 19.3380556 | 121.4336111 | 902 | 2872 |
| Cabuluan | city | Province of Cagayan | Philippines | 18.4175 | 121.5044444 | 9 | 6400 |
| Cacalan | city | Province of Cagayan | Philippines | 19.0847222 | 121.2013889 | 524 | 7391 |
| Cacaluan | city | Province of Cagayan | Philippines | 18.35 | 121.6166667 | 6 | 16347 |
| Cacauayan | city | Province of Cagayan | Philippines | 19.1086111 | 121.2088889 | 472 | 9841 |
| Caccag | city | Province of Cagayan | Philippines | 17.9666667 | 121.6166667 | 177 | 9091 |
| Cacicallan | city | Province of Cagayan | Philippines | 18.0747222 | 121.6505556 | 180 | 17981 |
| Cadadalman | city | Province of Cagayan | Philippines | 18.9 | 121.8666667 | 16 | 1820 |
| Cadagatan | city | Province of Cagayan | Philippines | 18.8833333 | 121.8666667 | 239 | 1820 |
| Cadcadir | city | Province of Cagayan | Philippines | 18.5433333 | 121.0244444 | 262 | 5380 |
| Cadcao | city | Province of Cagayan | Philippines | 18.5433333 | 121.0244444 | 262 | 5380 |
| Cadongdongan | city | Province of Cagayan | Philippines | 18.52 | 121.0102778 | 984 | 3664 |
| Caggay | city | Province of Cagayan | Philippines | 17.6272222 | 121.7388889 | 249 | 58539 |
| Caggay | city | Province of Cagayan | Philippines | 17.65 | 121.8 | 265 | 23426 |
| Cagoran | city | Province of Cagayan | Philippines | 17.65 | 121.7166667 | 229 | 58539 |
| Cagumitan | city | Province of Cagayan | Philippines | 17.75 | 121.45 | 131 | 12606 |
| Calamagui | city | Province of Cagayan | Philippines | 17.6344444 | 121.7075 | 196 | 63747 |
| Calantac | city | Province of Cagayan | Philippines | 17.9047222 | 121.7241667 | 203 | 21716 |
| Calaoagan | city | Province of Cagayan | Philippines | 18.0416667 | 121.7144444 | 98 | 10569 |
| Calaogan | city | Province of Cagayan | Philippines | 18.0416667 | 121.7144444 | 98 | 10569 |
| Calapangan | city | Province of Cagayan | Philippines | 18.0225 | 121.6063889 | 26 | 15904 |
| Calapangan | city | Province of Cagayan | Philippines | 18.0666667 | 121.6333333 | 26 | 17981 |
| Calapangan Sur | city | Province of Cagayan | Philippines | 18.0225 | 121.6063889 | 26 | 15904 |
| Calapian | city | Province of Cagayan | Philippines | 17.9030556 | 121.7897222 | 321 | 17188 |
| Calayan | city | Province of Cagayan | Philippines | 19.2641667 | 121.4797222 | 82 | 2125 |
| Calenac | city | Province of Cagayan | Philippines | 17.7775 | 121.5994444 | 177 | 21401 |
| Calenao | city | Province of Cagayan | Philippines | 17.7775 | 121.5994444 | 177 | 21401 |
| Callao | city | Province of Cagayan | Philippines | 17.9333333 | 121.75 | 252 | 15655 |
| Callao | city | Province of Cagayan | Philippines | 17.6880556 | 121.8166667 | 328 | 14433 |
| Callungan | city | Province of Cagayan | Philippines | 18.5880556 | 121.2033333 | 65 | 9971 |
| Calog | city | Province of Cagayan | Philippines | 18.3608333 | 121.3844444 | 95 | 12907 |
| Calvario | city | Province of Cagayan | Philippines | 18.6075 | 121.085 | 9 | 14617 |
| Camalaniugan | city | Province of Cagayan | Philippines | 18.2744444 | 121.6736111 | 9 | 24788 |
| Camannauan | city | Province of Cagayan | Philippines | 18.25 | 121.75 | 65 | 17117 |
| Camarugan | city | Province of Cagayan | Philippines | 18.3333333 | 121.4833333 | 131 | 18227 |
| Cambabangan | city | Province of Cagayan | Philippines | 17.845 | 121.3911111 | 154 | 6757 |
| Cambalam | city | Province of Cagayan | Philippines | 17.5711111 | 121.7772222 | 298 | 47629 |
| Campo | city | Province of Cagayan | Philippines | 17.8052778 | 121.5408333 | 134 | 13133 |
| Campo | city | Province of Cagayan | Philippines | 17.75 | 121.7333333 | 272 | 38097 |
| Camugaoan | city | Province of Cagayan | Philippines | 18.1333333 | 121.5833333 | 196 | 15527 |
| Canagatan | city | Province of Cagayan | Philippines | 17.9208333 | 121.7791667 | 278 | 15655 |
| Canayun | city | Province of Cagayan | Philippines | 18.4005556 | 121.4255556 | 36 | 14941 |
| Capacuan | city | Province of Cagayan | Philippines | 18.5666667 | 121 | 902 | 5380 |
| Capacuan | city | Province of Cagayan | Philippines | 17.9475 | 121.7536111 | 278 | 15655 |
| Capaku-An | city | Province of Cagayan | Philippines | 18.5666667 | 121 | 902 | 5380 |
| Capanikian | city | Province of Cagayan | Philippines | 18.5647222 | 121.0969444 | 216 | 18334 |
| Capanniquian | city | Province of Cagayan | Philippines | 18.5647222 | 121.0969444 | 216 | 18334 |
| Capanniquian | city | Province of Cagayan | Philippines | 18.55 | 121.2 | 262 | 15356 |
| Capatan | city | Province of Cagayan | Philippines | 17.6108333 | 121.7519444 | 232 | 53278 |
| Capissayan | city | Province of Cagayan | Philippines | 18.0505556 | 121.8208333 | 223 | 9964 |
| Capitan | city | Province of Cagayan | Philippines | 17.7722222 | 121.7397222 | 262 | 30566 |
| Cappuian | city | Province of Cagayan | Philippines | 17.9666667 | 121.7833333 | 311 | 14351 |
| Caral-langan | city | Province of Cagayan | Philippines | 17.9425 | 121.6455556 | 239 | 12358 |
| Caratan | city | Province of Cagayan | Philippines | 18.2333333 | 121.5833333 | 144 | 18759 |
| Carig | city | Province of Cagayan | Philippines | 17.6636111 | 121.7466667 | 282 | 58539 |
| Carilucud | city | Province of Cagayan | Philippines | 17.6036111 | 121.5972222 | 164 | 40212 |
| Carupian | city | Province of Cagayan | Philippines | 17.9644444 | 121.7766667 | 295 | 14351 |
| Casagan | city | Province of Cagayan | Philippines | 18.4733333 | 122.1730556 | 147 | 4502 |
| Casambalangan | city | Province of Cagayan | Philippines | 18.3763889 | 122.1211111 | 141 | 2851 |
| Casicallan | city | Province of Cagayan | Philippines | 18.2166667 | 121.5833333 | 213 | 18759 |
| Casicallan | city | Province of Cagayan | Philippines | 18.2 | 121.6166667 | 144 | 15460 |
| Casicallan | city | Province of Cagayan | Philippines | 18.0747222 | 121.6505556 | 180 | 17981 |
| Casicallan Norte | city | Province of Cagayan | Philippines | 18.0911111 | 121.6225 | 49 | 20029 |
| Casicallan Sur | city | Province of Cagayan | Philippines | 18.0747222 | 121.6505556 | 180 | 17981 |
| Casili | city | Province of Cagayan | Philippines | 18.1666667 | 121.6 | 144 | 15460 |
| Casili | city | Province of Cagayan | Philippines | 18.2761111 | 121.7075 | 32 | 24788 |
| Casinsingan | city | Province of Cagayan | Philippines | 17.7913889 | 121.6713889 | 104 | 32942 |
| Casitan | city | Province of Cagayan | Philippines | 18.5 | 121.3166667 | 111 | 11071 |
| Casitan | city | Province of Cagayan | Philippines | 18.2666667 | 121.9333333 | 16 | 13097 |
| Cassap | city | Province of Cagayan | Philippines | 17.9333333 | 121.7666667 | 252 | 15655 |
| Catagaman | city | Province of Cagayan | Philippines | 17.6 | 121.7125 | 104 | 55198 |
| Cataggaman | city | Province of Cagayan | Philippines | 17.6 | 121.7125 | 104 | 55198 |
| Cataggaman Nueva | city | Province of Cagayan | Philippines | 17.6 | 121.7125 | 104 | 55198 |
| Cataggaman Nuevo | city | Province of Cagayan | Philippines | 17.6 | 121.7125 | 104 | 55198 |
| Cataggaman Viejo | city | Province of Cagayan | Philippines | 17.5925 | 121.7033333 | 111 | 51826 |
| Cataggamman | city | Province of Cagayan | Philippines | 17.6 | 121.7125 | 104 | 55198 |
| Cataggamman Nuevo | city | Province of Cagayan | Philippines | 17.6 | 121.7125 | 104 | 55198 |
| Cataggamman Viejo | city | Province of Cagayan | Philippines | 17.5925 | 121.7033333 | 111 | 51826 |
| Cataraoan | city | Province of Cagayan | Philippines | 18.05 | 121.6166667 | 101 | 21025 |
| Cataratan | city | Province of Cagayan | Philippines | 18.1333333 | 121.5333333 | 255 | 11092 |
| Catayauan | city | Province of Cagayan | Philippines | 18.1622222 | 121.6569444 | 29 | 13732 |
| Catocan Norte | city | Province of Cagayan | Philippines | 18.1886111 | 121.6136111 | 131 | 15460 |
| Catotoran | city | Province of Cagayan | Philippines | 18.3030556 | 121.6580556 | 9 | 23686 |
| Cattanamman | city | Province of Cagayan | Philippines | 18.0333333 | 121.7166667 | 144 | 14023 |
| Cattaran | city | Province of Cagayan | Philippines | 17.7011111 | 121.7244444 | 259 | 49252 |
| Catugan | city | Province of Cagayan | Philippines | 18.1833333 | 121.6333333 | 26 | 12680 |
| Catuguran | city | Province of Cagayan | Philippines | 18.35 | 121.55 | 52 | 19161 |
| Centro | city | Province of Cagayan | Philippines | 17.8166667 | 121.4166667 | 91 | 11079 |
| Centromargo | city | Province of Cagayan | Philippines | 18.25 | 121.5666667 | 95 | 18759 |
| Claveria | city | Province of Cagayan | Philippines | 18.6075 | 121.085 | 9 | 14617 |
| Colonia Number Two | city | Province of Cagayan | Philippines | 18.3333333 | 121.4333333 | 32 | 14916 |
| Colonia Parcela Number One | city | Province of Cagayan | Philippines | 18.35 | 121.4166667 | 72 | 15374 |
| Comablam | city | Province of Cagayan | Philippines | 17.5711111 | 121.7772222 | 298 | 47629 |
| Concepcion | city | Province of Cagayan | Philippines | 17.8113889 | 121.7308333 | 269 | 23332 |
| Concong | city | Province of Cagayan | Philippines | 17.6333333 | 121.7833333 | 255 | 41943 |
| Cordician | city | Province of Cagayan | Philippines | 18.3 | 121.6666667 | 13 | 22522 |
| Cordoba | city | Province of Cagayan | Philippines | 17.7702778 | 121.6569444 | 144 | 27069 |
| Cruz | city | Province of Cagayan | Philippines | 17.9691667 | 121.8972222 | 196 | 9964 |
| Culao | city | Province of Cagayan | Philippines | 18.6166667 | 121.1333333 | 88 | 14448 |
| Culling | city | Province of Cagayan | Philippines | 17.9333333 | 121.7666667 | 252 | 15655 |
| Cullit | city | Province of Cagayan | Philippines | 18.25 | 121.7166667 | 88 | 16961 |
| Cullit | city | Province of Cagayan | Philippines | 18.2288889 | 121.7630556 | 88 | 17117 |
| Cullit Norte | city | Province of Cagayan | Philippines | 18.2288889 | 121.7630556 | 88 | 17117 |
| Cumao | city | Province of Cagayan | Philippines | 18.0475 | 121.7666667 | 137 | 10227 |
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