| population | |
| Ak Khakham | 8175 |
| Bua Kham | 5404 |
| Chiang Mai | 8223 |
| population | |
| Don Ong | 4411 |
| Kham Pha-Ung | 9288 |
| Kham Pia | 10552 |
| population | |
| Nong Ta Kai | 3550 |
| Pho Si | 3835 |
| Sa-At | 4543 |
 | Roi Et Airport | ~ 21.52 km |
| Sakon Nakhon Airport | ~ 104.50 km |
 | Savannakhet Airport | ~ 107.03 km |
| Khon Kaen Airport | ~ 108.73 km |
| Buri Ram Airport | ~ 133.15 km |
| Nakhon Phanom Airport | ~ 150.02 km |
| Udorn Air Base | ~ 159.20 km |
| Udon Thani Airport | ~ 160.33 km |
| Surin Airport | ~ 163.30 km |
