The driving time from Thiruvananthapuram to Idukki Arch Dam via Ernakulam is 7 hours 31 minutes by road. You can also find other options to travel from Thiruvananthapuram to Idukki Arch Dam via Ernakulam like bus, subway, tram, train and rail. To know the travel distances while planning a journey, find the
Distance from Thiruvananthapuram to Idukki Arch Dam via Ernakulam!