| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Cabagan | city | Province of Isabela | Philippines | 17.4261111 | 121.7625 | 144 | 21259 |
| Cabanguan | city | Province of Isabela | Philippines | 17.4188889 | 121.8677778 | 314 | 11271 |
| Cabannangan II | city | Province of Isabela | Philippines | 17.1283333 | 121.85 | 154 | 24520 |
| Cabannuangan | city | Province of Isabela | Philippines | 17.4333333 | 121.8666667 | 314 | 11271 |
| Cabannungan | city | Province of Isabela | Philippines | 17.1283333 | 121.85 | 154 | 24520 |
| Cabannungan First | city | Province of Isabela | Philippines | 17.1283333 | 121.85 | 154 | 24520 |
| Cabannungan Second | city | Province of Isabela | Philippines | 17.1283333 | 121.85 | 154 | 24520 |
| Cabannungan Segundo | city | Province of Isabela | Philippines | 17.1333333 | 121.85 | 154 | 24520 |
| Cabanuangan | city | Province of Isabela | Philippines | 16.5577778 | 121.7066667 | 298 | 14965 |
| Cabaruan | city | Province of Isabela | Philippines | 17.1 | 121.7333333 | 167 | 33182 |
| Cabaruan | city | Province of Isabela | Philippines | 16.9333333 | 121.7666667 | 157 | 42233 |
| Cabaruan | city | Province of Isabela | Philippines | 17.0333333 | 121.8333333 | 154 | 44253 |
| Cabaruan | city | Province of Isabela | Philippines | 16.95 | 121.85 | 157 | 40209 |
| Cabatuan | city | Province of Isabela | Philippines | 16.9588889 | 121.6691667 | 177 | 46096 |
| Cabatuan Centro | city | Province of Isabela | Philippines | 16.9588889 | 121.6691667 | 177 | 46096 |
| Cabulay | city | Province of Isabela | Philippines | 16.7455556 | 121.4975 | 301 | 46178 |
| Cabulay | city | Province of Isabela | Philippines | 16.7272222 | 121.5083333 | 262 | 53885 |
| Caculucuan | city | Province of Isabela | Philippines | 17.0166667 | 122.2666667 | 3356 | 2766 |
| Cada Negrito | city | Province of Isabela | Philippines | 16.6033333 | 121.5730556 | 301 | 24919 |
| Cadaanan | city | Province of Isabela | Philippines | 16.6833333 | 121.5166667 | 259 | 43805 |
| Caddagan | city | Province of Isabela | Philippines | 17.4302778 | 121.8586111 | 314 | 11271 |
| Caddangan | city | Province of Isabela | Philippines | 17.4302778 | 121.8586111 | 314 | 11271 |
| Cadu | city | Province of Isabela | Philippines | 17.1355556 | 121.9575 | 308 | 24145 |
| Caggong | city | Province of Isabela | Philippines | 16.9 | 121.5666667 | 259 | 19095 |
| Caggong | city | Province of Isabela | Philippines | 16.9333333 | 121.7666667 | 157 | 42233 |
| Cago | city | Province of Isabela | Philippines | 16.9294444 | 121.6188889 | 223 | 34687 |
| Cal-lao | city | Province of Isabela | Philippines | 16.8091667 | 121.6522222 | 209 | 57754 |
| Cal-lao | city | Province of Isabela | Philippines | 16.7841667 | 121.6569444 | 196 | 53445 |
| Cal-lering | city | Province of Isabela | Philippines | 16.9833333 | 121.8333333 | 118 | 46351 |
| Calabasa | city | Province of Isabela | Philippines | 17.0166667 | 121.7 | 157 | 40215 |
| Calabayan | city | Province of Isabela | Philippines | 16.75 | 121.75 | 141 | 27830 |
| Calabayan-Minanga | city | Province of Isabela | Philippines | 16.75 | 121.75 | 141 | 27830 |
| Calacaab | city | Province of Isabela | Philippines | 16.7255556 | 121.7288889 | 196 | 29214 |
| Calaccab | city | Province of Isabela | Philippines | 16.7255556 | 121.7288889 | 196 | 29214 |
| Caladinum | city | Province of Isabela | Philippines | 17.0166667 | 122.25 | 2296 | 2766 |
| Calamagin | city | Province of Isabela | Philippines | 17.4866667 | 121.7694444 | 134 | 22556 |
| Calamagui | city | Province of Isabela | Philippines | 17.4866667 | 121.7694444 | 134 | 22556 |
| Calamagui | city | Province of Isabela | Philippines | 17.4461111 | 121.7866667 | 134 | 21259 |
| Calamagui I | city | Province of Isabela | Philippines | 17.1411111 | 121.8658333 | 157 | 24520 |
| Calamagui One | city | Province of Isabela | Philippines | 17.1411111 | 121.8658333 | 157 | 24520 |
| Calamagui Second | city | Province of Isabela | Philippines | 17.1333333 | 121.8666667 | 157 | 24520 |
| Calamagui-Primero | city | Province of Isabela | Philippines | 17.1411111 | 121.8658333 | 157 | 24520 |
| Calamagui-Segundo | city | Province of Isabela | Philippines | 17.1333333 | 121.8666667 | 157 | 24520 |
| Calanigan | city | Province of Isabela | Philippines | 17.4333333 | 121.7666667 | 141 | 21259 |
| Calao | city | Province of Isabela | Philippines | 16.6833333 | 121.55 | 259 | 49937 |
| Cali | city | Province of Isabela | Philippines | 17.2833333 | 121.8 | 104 | 23743 |
| Calibabagan | city | Province of Isabela | Philippines | 17.4325 | 121.6875 | 157 | 22560 |
| Calicocohan | city | Province of Isabela | Philippines | 17.05 | 122.3 | 1968 | 2242 |
| Caliguian | city | Province of Isabela | Philippines | 17.0683333 | 121.6963889 | 183 | 40921 |
| Calinagan | city | Province of Isabela | Philippines | 17.3666667 | 121.7333333 | 177 | 30542 |
| Calinaoan | city | Province of Isabela | Philippines | 17.36 | 121.7377778 | 160 | 30542 |
| Calinauan | city | Province of Isabela | Philippines | 17.3666667 | 121.7333333 | 177 | 30542 |
| Calinauan | city | Province of Isabela | Philippines | 17.36 | 121.7377778 | 160 | 30542 |
| Calinauan South | city | Province of Isabela | Philippines | 17.35 | 121.75 | 160 | 29422 |
| Calingan | city | Province of Isabela | Philippines | 17.35 | 121.75 | 160 | 29422 |
| Calinigan | city | Province of Isabela | Philippines | 17.3666667 | 121.7333333 | 177 | 30542 |
| Callang | city | Province of Isabela | Philippines | 17.0225 | 121.6352778 | 232 | 44050 |
| Callauan | city | Province of Isabela | Philippines | 17.1061111 | 122.4552778 | 19 | 1761 |
| Calumangan | city | Province of Isabela | Philippines | 17.0666667 | 122.2333333 | 2342 | 3163 |
| Camaat | city | Province of Isabela | Philippines | 17.1286111 | 121.7008333 | 154 | 34626 |
| Camarag | city | Province of Isabela | Philippines | 16.735 | 121.6475 | 196 | 45681 |
| Camarungayan | city | Province of Isabela | Philippines | 16.9763889 | 121.6491667 | 164 | 45061 |
| Camasi | city | Province of Isabela | Philippines | 17.2833333 | 121.8 | 104 | 23743 |
| Cammonatan | city | Province of Isabela | Philippines | 17.1352778 | 121.8911111 | 209 | 24197 |
| Cammunatan | city | Province of Isabela | Philippines | 17.1352778 | 121.8911111 | 209 | 24197 |
| Camunatan | city | Province of Isabela | Philippines | 17.1352778 | 121.8911111 | 209 | 24197 |
| Camutog | city | Province of Isabela | Philippines | 17.0166667 | 121.7 | 157 | 40215 |
| Canagan | city | Province of Isabela | Philippines | 17.5169444 | 121.7769444 | 134 | 35173 |
| Canan | city | Province of Isabela | Philippines | 16.9369444 | 121.6936111 | 187 | 51868 |
| Canan | city | Province of Isabela | Philippines | 16.4277778 | 121.7375 | 374 | 7519 |
| Canangan | city | Province of Isabela | Philippines | 16.75 | 121.75 | 141 | 27830 |
| Canapi | city | Province of Isabela | Philippines | 17.2022222 | 121.8616667 | 147 | 24701 |
| Cannagan | city | Province of Isabela | Philippines | 17.5169444 | 121.7769444 | 134 | 35173 |
| Canogan | city | Province of Isabela | Philippines | 17.3986111 | 121.7902778 | 160 | 26140 |
| Canogan Abajo Norte | city | Province of Isabela | Philippines | 17.3986111 | 121.7902778 | 160 | 26140 |
| Canzan | city | Province of Isabela | Philippines | 17.4333333 | 121.7666667 | 141 | 21259 |
| Caonayan | city | Province of Isabela | Philippines | 16.95 | 121.7666667 | 157 | 42233 |
| Capaceran | city | Province of Isabela | Philippines | 16.9925 | 121.9288889 | 262 | 31760 |
| Capaetan | city | Province of Isabela | Philippines | 17.0738889 | 121.9744444 | 285 | 21756 |
| Capagtan | city | Province of Isabela | Philippines | 17.0738889 | 121.9744444 | 285 | 21756 |
| Capaltitan | city | Province of Isabela | Philippines | 16.6702778 | 121.5208333 | 262 | 43805 |
| Caperperiwan | city | Province of Isabela | Philippines | 16.6680556 | 121.4052778 | 567 | 32516 |
| Capitan | city | Province of Isabela | Philippines | 16.7 | 121.65 | 213 | 35253 |
| Capo | city | Province of Isabela | Philippines | 17.1594444 | 121.8969444 | 160 | 24197 |
| Capoceran | city | Province of Isabela | Philippines | 16.9925 | 121.9288889 | 262 | 31760 |
| Cappal | city | Province of Isabela | Philippines | 16.8394444 | 121.8205556 | 141 | 35294 |
| Capsan | city | Province of Isabela | Philippines | 17.4022222 | 121.8072222 | 150 | 19680 |
| Carabatan | city | Province of Isabela | Philippines | 16.9513889 | 121.7963889 | 127 | 43175 |
| Carabattan Grande | city | Province of Isabela | Philippines | 16.9333333 | 121.7666667 | 157 | 42233 |
| Carabbatan | city | Province of Isabela | Philippines | 16.9513889 | 121.7963889 | 127 | 43175 |
| Carabbatan Bacareno | city | Province of Isabela | Philippines | 16.9333333 | 121.7666667 | 157 | 42233 |
| Carabbatan Bacareño | city | Province of Isabela | Philippines | 16.9333333 | 121.7666667 | 157 | 42233 |
| Carabbatan Chica | city | Province of Isabela | Philippines | 16.9333333 | 121.7666667 | 157 | 42233 |
| Carabbatan Grande | city | Province of Isabela | Philippines | 16.9333333 | 121.7666667 | 157 | 42233 |
| Carabbatan Nuevo | city | Province of Isabela | Philippines | 16.9333333 | 121.7666667 | 157 | 42233 |
| Carabbatan Punta | city | Province of Isabela | Philippines | 16.9333333 | 121.7666667 | 157 | 42233 |
| Caralucud | city | Province of Isabela | Philippines | 17.4833333 | 121.8 | 285 | 22234 |
| Caraniogan | city | Province of Isabela | Philippines | 17.0522222 | 121.7011111 | 173 | 40921 |
| Caranugan | city | Province of Isabela | Philippines | 17.0522222 | 121.7011111 | 173 | 40921 |
| Carañugan | city | Province of Isabela | Philippines | 17.0522222 | 121.7011111 | 173 | 40921 |
| Carmencita | city | Province of Isabela | Philippines | 17.2413889 | 121.7522222 | 196 | 19401 |
| Carpentero | city | Province of Isabela | Philippines | 17.2666667 | 121.8086111 | 114 | 23743 |
| Carpintero | city | Province of Isabela | Philippines | 17.2666667 | 121.8086111 | 114 | 23743 |
| Carulay | city | Province of Isabela | Philippines | 16.7166667 | 121.7 | 203 | 33713 |
| Casap | city | Province of Isabela | Philippines | 16.9366667 | 121.8144444 | 127 | 43175 |
| Casibarag | city | Province of Isabela | Philippines | 17.4341667 | 121.7555556 | 141 | 21259 |
| Casili | city | Province of Isabela | Philippines | 17.1986111 | 121.6138889 | 167 | 25593 |
| Cassap | city | Province of Isabela | Philippines | 16.9366667 | 121.8144444 | 127 | 43175 |
| Catabayungan | city | Province of Isabela | Philippines | 17.4363889 | 121.7744444 | 91 | 21259 |
| Catabban | city | Province of Isabela | Philippines | 17.0333333 | 121.7333333 | 164 | 36525 |
| Cataguing | city | Province of Isabela | Philippines | 16.9758333 | 122.0127778 | 298 | 11761 |
| Catungauan | city | Province of Isabela | Philippines | 17.0102778 | 121.8763889 | 196 | 35645 |
| Cauayan | city | Province of Isabela | Philippines | 16.9347222 | 121.7725 | 141 | 42233 |
| Cauyan | city | Province of Isabela | Philippines | 16.9347222 | 121.7725 | 141 | 42233 |
| Cawacan | city | Province of Isabela | Philippines | 16.6583333 | 121.4388889 | 538 | 29074 |
| Cañogan | city | Province of Isabela | Philippines | 17.3986111 | 121.7902778 | 160 | 26140 |
| Centro | city | Province of Isabela | Philippines | 17.2833333 | 121.8 | 104 | 23743 |
| Colinauan | city | Province of Isabela | Philippines | 17.36 | 121.7377778 | 160 | 30542 |
| Comarag | city | Province of Isabela | Philippines | 16.735 | 121.6475 | 196 | 45681 |
| Concepcion | city | Province of Isabela | Philippines | 16.9833333 | 121.7333333 | 164 | 42458 |
| Consular | city | Province of Isabela | Philippines | 16.7877778 | 121.7663889 | 141 | 36076 |
| Cordon | city | Province of Isabela | Philippines | 16.6661111 | 121.4511111 | 459 | 29074 |
| Cossap | city | Province of Isabela | Philippines | 16.9366667 | 121.8144444 | 127 | 43175 |
| Cubag | city | Province of Isabela | Philippines | 17.4241667 | 121.7758333 | 101 | 21259 |
| Culing | city | Province of Isabela | Philippines | 16.9391667 | 121.6358333 | 209 | 51109 |
| Culing | city | Province of Isabela | Philippines | 16.9322222 | 121.6461111 | 203 | 51109 |
| Culior | city | Province of Isabela | Philippines | 16.9644444 | 121.875 | 164 | 38271 |
| Cullalabat | city | Province of Isabela | Philippines | 16.9233333 | 121.8005556 | 127 | 43175 |
| Cullalabo | city | Province of Isabela | Philippines | 17.1041667 | 121.7025 | 167 | 40142 |
| Cumu | city | Province of Isabela | Philippines | 16.7841667 | 121.7563889 | 137 | 36076 |
| Curag | city | Province of Isabela | Philippines | 16.885 | 121.5622222 | 259 | 19095 |
| Cutug | city | Province of Isabela | Philippines | 17 | 121.7333333 | 144 | 42458 |
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