| population | |
| Nong Waeng | 8378 |
| Samakkhi | 6129 |
| Si Samran | 8866 |
| population | |
| Som Yiam | 4389 |
 | Wattay International Airport | ~ 49.43 km |
 | Loei Airport | ~ 58.59 km |
| Udon Thani Airport | ~ 76.30 km |
| Udorn Air Base | ~ 77.59 km |
| Khon Kaen Airport | ~ 156.10 km |
| Phetchabun Airport | ~ 157.74 km |
| Sayaboury Airport | ~ 173.84 km |
| Nan Airport | ~ 188.57 km |
| Sakon Nakhon Airport | ~ 215.19 km |
