| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Caarusipan | city | Province of La Union | Philippines | 16.6833333 | 120.3833333 | 239 | 46753 |
| Caba | city | Province of La Union | Philippines | 16.4333333 | 120.3472222 | 232 | 45514 |
| Cabalayangan | city | Province of La Union | Philippines | 16.5 | 120.3666667 | 262 | 56898 |
| Cabalayangen | city | Province of La Union | Philippines | 16.5 | 120.3666667 | 262 | 56898 |
| Cabalitocan | city | Province of La Union | Philippines | 16.8022222 | 120.3494444 | 301 | 44794 |
| Cabaritan | city | Province of La Union | Philippines | 16.5333333 | 120.3833333 | 246 | 75759 |
| Cabaritan Norte | city | Province of La Union | Philippines | 16.5333333 | 120.3833333 | 246 | 75759 |
| Cabaritan Sur | city | Province of La Union | Philippines | 16.5166667 | 120.3833333 | 262 | 75759 |
| Cabaroan | city | Province of La Union | Philippines | 16.6666667 | 120.3333333 | 242 | 19660 |
| Cabaroan | city | Province of La Union | Philippines | 16.3 | 120.35 | 108 | 48574 |
| Cabaroan | city | Province of La Union | Philippines | 16.7363889 | 120.3686111 | 246 | 36805 |
| Cabarsican | city | Province of La Union | Philippines | 16.75 | 120.3333333 | 59 | 14755 |
| Cabarsican | city | Province of La Union | Philippines | 16.75 | 120.3333333 | 59 | 14755 |
| Cabarsican | city | Province of La Union | Philippines | 16.5833333 | 120.4 | 272 | 78373 |
| Cabisilan | city | Province of La Union | Philippines | 16.5333333 | 120.35 | 265 | 65982 |
| Cabogan | city | Province of La Union | Philippines | 16.6833333 | 120.3833333 | 239 | 46753 |
| Cabugao | city | Province of La Union | Philippines | 16.7166667 | 120.35 | 154 | 36805 |
| Cabugnayan | city | Province of La Union | Philippines | 16.6666667 | 120.3333333 | 242 | 19660 |
| Cacapian | city | Province of La Union | Philippines | 16.6833333 | 120.35 | 150 | 40826 |
| Caculangan | city | Province of La Union | Philippines | 16.6666667 | 120.3333333 | 242 | 19660 |
| Cadaclan | city | Province of La Union | Philippines | 16.6 | 120.3666667 | 656 | 67229 |
| Cadael | city | Province of La Union | Philippines | 16.35 | 120.35 | 144 | 59686 |
| Cadapli | city | Province of La Union | Philippines | 16.9 | 120.4166667 | 157 | 46993 |
| Caggao | city | Province of La Union | Philippines | 16.9166667 | 120.4166667 | 42 | 30053 |
| Calabanga | city | Province of La Union | Philippines | 13.25 | 120.75 | 324 | 7206 |
| Calabugao | city | Province of La Union | Philippines | 16.6166667 | 120.3833333 | 492 | 71400 |
| Calautit | city | Province of La Union | Philippines | 16.75 | 120.3833333 | 246 | 48811 |
| Calincamasan | city | Province of La Union | Philippines | 16.6833333 | 120.35 | 150 | 40826 |
| Calingcamasan | city | Province of La Union | Philippines | 16.6833333 | 120.35 | 150 | 40826 |
| Callat-Lugalog | city | Province of La Union | Philippines | 16.8166667 | 120.45 | 236 | 50876 |
| Calongboyan | city | Province of La Union | Philippines | 16.8166667 | 120.4 | 288 | 63298 |
| Calongbuyan | city | Province of La Union | Philippines | 16.8166667 | 120.4 | 288 | 63298 |
| Calumbaya | city | Province of La Union | Philippines | 16.5119444 | 120.3352778 | 157 | 65982 |
| Calungan | city | Province of La Union | Philippines | 16.7666667 | 120.3333333 | 36 | 18166 |
| Calungbuyan | city | Province of La Union | Philippines | 16.8166667 | 120.4 | 288 | 63298 |
| Camansi | city | Province of La Union | Philippines | 16.6166667 | 120.35 | 288 | 67229 |
| Cambali | city | Province of La Union | Philippines | 16.6166667 | 120.45 | 406 | 55849 |
| Cambaly | city | Province of La Union | Philippines | 16.6083333 | 120.4394444 | 656 | 55849 |
| Camiling | city | Province of La Union | Philippines | 16.8 | 120.4166667 | 288 | 50876 |
| Camp Number One | city | Province of La Union | Philippines | 16.2258333 | 120.5066667 | 715 | 38976 |
| Camp One | city | Province of La Union | Philippines | 16.2258333 | 120.5066667 | 715 | 38976 |
| Canaoay | city | Province of La Union | Philippines | 16.6 | 120.3 | 98 | 40566 |
| Candanglaan | city | Province of La Union | Philippines | 16.4 | 120.3833333 | 219 | 64489 |
| Cantoria | city | Province of La Union | Philippines | 16.85 | 120.4 | 216 | 54837 |
| Capacoan | city | Province of La Union | Philippines | 16.6833333 | 120.4 | 246 | 46753 |
| Capran | city | Province of La Union | Philippines | 16.6333333 | 120.4166667 | 610 | 39441 |
| Carcarmay | city | Province of La Union | Philippines | 16.7833333 | 120.35 | 265 | 43018 |
| Carcooy | city | Province of La Union | Philippines | 16.8 | 120.45 | 246 | 50876 |
| Cardis | city | Province of La Union | Philippines | 16.6333333 | 120.4833333 | 2841 | 21982 |
| Carisquis | city | Province of La Union | Philippines | 16.8294444 | 120.3494444 | 72 | 44794 |
| Carlatan | city | Province of La Union | Philippines | 16.6347222 | 120.3233333 | 265 | 32039 |
| Carmay | city | Province of La Union | Philippines | 16.5333333 | 120.3333333 | 150 | 35788 |
| Caronuan | city | Province of La Union | Philippines | 16.2741667 | 120.4777778 | 498 | 29626 |
| Carunoan | city | Province of La Union | Philippines | 16.2741667 | 120.4777778 | 498 | 29626 |
| Carusipan | city | Province of La Union | Philippines | 16.6833333 | 120.3833333 | 239 | 46753 |
| Casantaan | city | Province of La Union | Philippines | 16.2666667 | 120.4 | 157 | 31519 |
| Casiaman | city | Province of La Union | Philippines | 16.7166667 | 120.35 | 154 | 36805 |
| Casilagan | city | Province of La Union | Philippines | 16.65 | 120.35 | 252 | 53792 |
| Casilagan | city | Province of La Union | Philippines | 16.2833333 | 120.3833333 | 147 | 31519 |
| Casilagan | city | Province of La Union | Philippines | 16.5333333 | 120.4 | 278 | 75759 |
| Casilagan | city | Province of La Union | Philippines | 16.25 | 120.4833333 | 482 | 42397 |
| Castro | city | Province of La Union | Philippines | 16.8797222 | 120.4741667 | 328 | 41783 |
| Catbangen | city | Province of La Union | Philippines | 16.6166667 | 120.3166667 | 180 | 40566 |
| Catdongan | city | Province of La Union | Philippines | 16.6666667 | 120.3666667 | 246 | 40826 |
| Catdungan | city | Province of La Union | Philippines | 16.6666667 | 120.3666667 | 246 | 40826 |
| Centro | city | Province of La Union | Philippines | 16.8666667 | 120.4833333 | 984 | 38282 |
| Cogunan | city | Province of La Union | Philippines | 16.7333333 | 120.5166667 | 1122 | 15824 |
| Concepcion | city | Province of La Union | Philippines | 16.2166667 | 120.4666667 | 364 | 42397 |
| Consolacion | city | Province of La Union | Philippines | 16.3333333 | 120.3666667 | 190 | 48574 |
| Consuegra | city | Province of La Union | Philippines | 16.9 | 120.4166667 | 157 | 46993 |
| Consuegro | city | Province of La Union | Philippines | 16.9 | 120.4166667 | 157 | 46993 |
| Corrooy | city | Province of La Union | Philippines | 16.7952778 | 120.415 | 262 | 63298 |
| Cuenca | city | Province of La Union | Philippines | 16.2511111 | 120.4958333 | 656 | 29626 |
| Cupang | city | Province of La Union | Philippines | 16.2666667 | 120.3833333 | 6 | 31519 |
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