| population | |
| Chinnasalem | 195313 |
| Kallakkurichi | 274019 |
| population | |
| Kalvarayan Hills | 41025 |
| Sankarapuram | 363749 |
| population | |
| Tirukkoyilur | 210763 |
| Ulundurpettai | 315981 |
 | Neyveli Airport | ~ 62.07 km |
| Pondicherry Airport | ~ 96.93 km |
| Salem Airport | ~ 98.29 km |
| Tiruchirappalli International Airport | ~ 107.27 km |
| Thanjavur Air Force Station | ~ 109.70 km |
| Chennai International Airport | ~ 194.17 km |
| Kempegowda International Airport | ~ 215.41 km |
| Coimbatore International Airport | ~ 222.28 km |
| Tirupati Airport | ~ 223.87 km |
