| population | |
| Alappuzha | 2127789 |
| Ernakulam | 3282388 |
| Idukki | 1108974 |
| Kannur | 2523003 |
| Kasaragod District | 1307375 |
| population | |
| Kollam | 2635375 |
| Kottayam | 1974551 |
| Kozhikode | 3086293 |
| Malappuram | 4112920 |
| Palakkad district | 2952254 |
| population | |
| Pattanamtitta | 1197412 |
| Thiruvananthapuram | 3301427 |
| Thrissur District | 3121200 |
| Wayanad | 817420 |
 | Cochin International Airport | ~ 31.33 km |
| Coimbatore International Airport | ~ 90.42 km |
| Calicut International Airport | ~ 99.76 km |
| Madurai Airport | ~ 186.04 km |
| Kannur International Airport | ~ 196.71 km |
| Mysore Airport | ~ 202.35 km |
| Trivandrum International Airport | ~ 219.99 km |
| Salem Airport | ~ 228.63 km |
| Tiruchirappalli International Airport | ~ 245.50 km |
