| population | |
| Bung Kaeo | 11060 |
| Khok Klang | 7297 |
| population | |
| Non Sa-At | 8768 |
| Nong Kung Si | 6915 |
| population | |
| Pho Si Samran | 8314 |
| Thom Na Ngam | 7498 |
 | Udorn Air Base | ~ 49.30 km |
| Udon Thani Airport | ~ 49.96 km |
| Khon Kaen Airport | ~ 55.15 km |
 | Wattay International Airport | ~ 120.85 km |
| Roi Et Airport | ~ 131.40 km |
| Sakon Nakhon Airport | ~ 132.42 km |
| Loei Airport | ~ 136.43 km |
| Phetchabun Airport | ~ 184.01 km |
| Nakhon Phanom Airport | ~ 191.37 km |
