Kottayam district is well connected by roadways and railways. The Railway route in Kottayam is well developed and is linked with many other places. The length of the railway line through this district is estimated to be around 49 kms. Many long distance trains pass through Kottayam. The Railway Stations in Kottayam district are Changanasseri, Chingavanam, Kottayam, Ettumanoor, Kuruppanthara, Vaikom Road, Piravom, Kumaranallur and Kaduthurutti Railway Stations.
The district covers a PWD road length of 2106 kms. The State Highways through Kottayam are SH 1, SH 8, SH 9, SH 11, SH 13, SH 14, SH 15, SH 32, SH 40, SH 42 and SH 44. The National Highway through Kottayam is NH 220. The major bus stations in Kottayam district are Changanasseri, Ettumanoor, Ponkunnam, Erattupetta, Kottayam, Vaikom, Erumeli and Pala Bus Stations.
There is no airport in Kottayam and the nearest airport is Cochin International Airport at a distance of 76 kms. Thiruvananthapuram International Airport is at a distance of 160 kms from Kottayam. The western boundary of Kottayam is Vembanadu backwaters and it provides inland water transportation to Alappuzha and Ernakulam.