| population | |
| Badreh | 15614 |
| Chardaval | |
| Chardavol County | 57381 |
| Darrehshahr | 43708 |
| population | |
| Shahrestan-e Abdanan | 47851 |
| Shahrestan-e Dehloran | 65630 |
| Shahrestan-e Eyvan | 49491 |
| Shahrestan-e Ilam | 235144 |
| population | |
| Shahrestan-e Malekshahi | 21138 |
| Shahrestan-e Mehran | 29797 |
| Sirvan | 14404 |
 | Ilam Airport | ~ 72.35 km |
| Khoram Abad Airport | ~ 122.91 km |
| Shahid Ashrafi Esfahani Airport | ~ 131.94 km |
| Dezful Airport | ~ 153.93 km |
| Sanandaj Airport | ~ 231.20 km |
| Hamadan Airport | ~ 237.30 km |
| Shahid Asiyaee Airport | ~ 248.90 km |
 | Baghdad International Airport / New Al Muthana Air Base | ~ 257.47 km |
| Lieutenant General Qasem Soleimani International Airport | ~ 262.34 km |
