| population | |
| Bua Ngam | 12358 |
| Kaeng | 8298 |
| Kham Khrang | 6738 |
| Klang | 14492 |
| Kut Prathai | 13622 |
| Mueang Det | 33303 |
| population | |
| Na Charoen | 7556 |
| Na Krasaeng | 13584 |
| Na Suang | 9032 |
| Non Sombun | 6006 |
| Pa Mong | 4937 |
| Phon Ngam | 9077 |
| population | |
| Som Sa-At | 10886 |
| Tha Pho Si | 7055 |
| Thung Thoeng | 8296 |
| Top Hu | 12309 |
 | Ubon Ratchathani Airport | ~ 49.61 km |
 | Pakse International Airport | ~ 81.99 km |
 | Preah Vinhear Airport | ~ 121.92 km |
| Surin Airport | ~ 169.51 km |
| Saravane Airport | ~ 172.11 km |
| Stung Treng Airport | ~ 178.32 km |
| Savannakhet Airport | ~ 192.57 km |
| Roi Et Airport | ~ 198.07 km |
| Buri Ram Airport | ~ 200.13 km |
