| population | |
| Amphoe At Samat | 60592 |
| Amphoe Changhan | 40113 |
| Amphoe Chaturaphak Phiman | 68103 |
| Amphoe Chiang Khwan | 23351 |
| Amphoe Kaset Wisai | 79126 |
| Amphoe Moeiwadi | 18094 |
| Amphoe Mueang Roi Et | 145849 |
| population | |
| Amphoe Mueang Suang | 18269 |
| Amphoe Nong Hi | 18191 |
| Amphoe Nong Phok | 52564 |
| Amphoe Pathum Rat | 44743 |
| Amphoe Phanom Phrai | 58698 |
| Amphoe Pho Chai | 48872 |
| Amphoe Phon Sai | 21907 |
| population | |
| Amphoe Phon Thong | 86547 |
| Amphoe Selaphum | 96618 |
| Amphoe Si Somdet | 33187 |
| Amphoe Suwannaphum | 93537 |
| Amphoe Thawatchaburi | 58493 |
| Amphoe Thung Khao Luang | 18135 |
 | Roi Et Airport | ~ 40.87 km |
| Buri Ram Airport | ~ 78.65 km |
| Surin Airport | ~ 101.70 km |
| Khon Kaen Airport | ~ 130.38 km |
| Ubon Ratchathani Airport | ~ 132.20 km |
 | Savannakhet Airport | ~ 140.29 km |
| Sakon Nakhon Airport | ~ 165.43 km |
| Nakhon Ratchasima Airport | ~ 177.95 km |
| Nakhon Phanom Airport | ~ 205.09 km |
