| population | |
| Amphoe Bueng Sam Phan | 67692 |
| Amphoe Chon Daen | 75205 |
| Amphoe Khao Kho | 32803 |
| Amphoe Lom Kao | 62885 |
| population | |
| Amphoe Lom Sak | 149577 |
| Amphoe Mueang Phetchabun | 199366 |
| Amphoe Nam Nao | 16285 |
| Amphoe Nong Phai | 107060 |
| population | |
| Amphoe Si Thep | 65811 |
| Amphoe Wang Pong | 35629 |
| Amphoe Wichian Buri | 127762 |
 | Phetchabun Airport | ~ 48.84 km |
| Phitsanulok Airport | ~ 104.23 km |
| Takhli Airport | ~ 137.10 km |
| Loei Airport | ~ 148.67 km |
| Sa Pran Nak Airport | ~ 152.11 km |
| Sukhothai Airport | ~ 173.83 km |
| Khon Kaen Airport | ~ 183.04 km |
| Uttaradit Airport | ~ 184.51 km |
| Nakhon Ratchasima Airport | ~ 195.59 km |
