| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Gabaoan | city | Province of Cagayan | Philippines | 17.6527778 | 121.5330556 | 154 | 23995 |
| Gabut | city | Province of Cagayan | Philippines | 17.8583333 | 121.6697222 | 134 | 21937 |
| Gabut | city | Province of Cagayan | Philippines | 17.8833333 | 121.7855556 | 305 | 17188 |
| Gaddangan | city | Province of Cagayan | Philippines | 18.25 | 121.5666667 | 95 | 18759 |
| Gaddangao | city | Province of Cagayan | Philippines | 17.7833333 | 121.45 | 101 | 13095 |
| Gadu | city | Province of Cagayan | Philippines | 17.6405556 | 121.6152778 | 160 | 48948 |
| Gagabutan | city | Province of Cagayan | Philippines | 17.9333333 | 121.7666667 | 252 | 15655 |
| Gaggabutan | city | Province of Cagayan | Philippines | 17.8608333 | 121.3741667 | 157 | 5010 |
| Gaggay | city | Province of Cagayan | Philippines | 17.6272222 | 121.7388889 | 249 | 58539 |
| Gammad | city | Province of Cagayan | Philippines | 17.7127778 | 121.7458333 | 272 | 38097 |
| Gammaro | city | Province of Cagayan | Philippines | 18.5166667 | 121.2666667 | 141 | 9649 |
| Gangngo | city | Province of Cagayan | Philippines | 18.25 | 121.6833333 | 39 | 17034 |
| Gango | city | Province of Cagayan | Philippines | 18.25 | 121.6833333 | 39 | 17034 |
| Garab | city | Province of Cagayan | Philippines | 17.75 | 121.7333333 | 272 | 38097 |
| Gattaran | city | Province of Cagayan | Philippines | 18.0630556 | 121.6438889 | 147 | 17981 |
| Gatto | city | Province of Cagayan | Philippines | 18.4666667 | 121.3 | 164 | 11071 |
| Gonzaga | city | Province of Cagayan | Philippines | 18.2666667 | 122 | 137 | 5944 |
| Goran | city | Province of Cagayan | Philippines | 17.8 | 121.7 | 134 | 23189 |
| Gosi | city | Province of Cagayan | Philippines | 17.5866667 | 121.7641667 | 295 | 53278 |
| Gubu | city | Province of Cagayan | Philippines | 18.3505556 | 121.4525 | 19 | 15374 |
| Gueddam | city | Province of Cagayan | Philippines | 18.2413889 | 121.5183333 | 164 | 17241 |
| Gueddan | city | Province of Cagayan | Philippines | 18.2413889 | 121.5183333 | 164 | 17241 |
| Gueddem | city | Province of Cagayan | Philippines | 18.2413889 | 121.5183333 | 164 | 17241 |
| Guinawegan | city | Province of Cagayan | Philippines | 18.2630556 | 121.7975 | 6 | 16967 |
| Guising | city | Province of Cagayan | Philippines | 18.0166667 | 121.6166667 | 137 | 15904 |
| Gumareng | city | Province of Cagayan | Philippines | 17.7808333 | 121.4511111 | 101 | 13095 |
| Gumarueng | city | Province of Cagayan | Philippines | 17.7808333 | 121.4511111 | 101 | 13095 |
| Gurengad | city | Province of Cagayan | Philippines | 17.6833333 | 121.4833333 | 111 | 20279 |
| Guyabal | city | Province of Cagayan | Philippines | 17.9333333 | 121.7666667 | 252 | 15655 |
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