| population | |
| San Gabriel | 18172 |
| San Juan | 37188 |
| Santo Tomas | 39092 |
| Santol | 12476 |
| Sudipen | 17056 |
| Tubao | 28729 |
 | San Fernando Airport | ~ 16.12 km |
| Loakan Airport | ~ 25.75 km |
| Dr Juan C Angara Airport | ~ 144.00 km |
| Clark International Airport / Clark Air Base | ~ 146.91 km |
| Cauayan Airport | ~ 150.13 km |
| Casiguran Airport | ~ 179.15 km |
| Laoag International Airport | ~ 186.77 km |
| Tuguegarao Airport | ~ 189.06 km |
| Subic Bay International Airport / Naval Air Station Cubi Point | ~ 190.29 km |
