| population | |
| Ferdows | 45523 |
| Shahrestan-e Birjand | 261324 |
| Shahrestan-e Boshruyeh | 26064 |
| Shahrestan-e Darmian | 53714 |
| population | |
| Shahrestan-e Khusf | 27600 |
| Shahrestan-e Nehbandan | 51449 |
| Shahrestan-e Qa'enat | 116181 |
| Shahrestan-e Sarayan | 33312 |
| population | |
| Shahrestan-e Sarbisheh | 40959 |
| Shahrestan-e Zirkuh | 40155 |
| Tabas | 72617 |
 | Birjand International Airport | ~ 48.61 km |
| Zabol Airport | ~ 248.19 km |
 | Farah Airport | ~ 250.58 km |
| Tabas Airport | ~ 275.43 km |
| Shindand Air Base | ~ 276.03 km |
| Zaranj Airport | ~ 280.91 km |
| Herat - Khwaja Abdullah Ansari International Airport | ~ 316.78 km |
| Ayatollah Hashemi Rafsanjani International Airport | ~ 346.42 km |
| Zahedan International Airport | ~ 362.01 km |
