State Highway 9 links Kottayam
on the M C Road
in Pathanamthitta District
State Highway 9 starts at Kottayam (from km 151/600 of SH 1 and overlaps K K Road from km 0/0 to 3/600) and runs south-east touching Puthupally and Thottakkad, before entering Pathanamthitta District past Karukachal.
In Pathanamthitta, the highway passes past Mallappally, Chalappally and Valankara to eventually terminate at Kozhencherry. State Highway 9 has a total length of 44.4 km in the state.