| population | |
| Amphoe Don Chan | 20676 |
| Amphoe Huai Mek | 44022 |
| Amphoe Huai Phueng | 26711 |
| Amphoe Kamalasai | 59381 |
| Amphoe Kham Muang | 40793 |
| Amphoe Khao Wong | 30898 |
| population | |
| Amphoe Khong Chai | 23731 |
| Amphoe Kuchinarai | 90091 |
| Amphoe Mueang Kalasin | 127635 |
| Amphoe Na Khu | 26199 |
| Amphoe Na Mon | 27783 |
| Amphoe Nong Kung Si | 52296 |
| population | |
| Amphoe Rong Kham | 14470 |
| Amphoe Sahatsakhan | 31916 |
| Amphoe Sam Chai | 21773 |
| Amphoe Somdet | 51125 |
| Amphoe Tha Khantho | 29857 |
| Amphoe Yang Talat | 105177 |
 | Roi Et Airport | ~ 51.68 km |
| Khon Kaen Airport | ~ 76.43 km |
| Sakon Nakhon Airport | ~ 101.56 km |
| Udorn Air Base | ~ 123.22 km |
| Udon Thani Airport | ~ 124.30 km |
 | Savannakhet Airport | ~ 134.46 km |
| Buri Ram Airport | ~ 143.72 km |
| Nakhon Phanom Airport | ~ 156.33 km |
| Thakhek Airport | ~ 174.29 km |
