The distance between Chennai to Thiruvananthapuram via ECR, Velankanni, Thoothukudi is 852 Km by road. You can also find the distance from Chennai to Thiruvananthapuram via ECR, Velankanni, Thoothukudi using other travel options like bus, subway, tram, train and rail. Apart from the trip distance, refer
Directions from Chennai to Thiruvananthapuram via ECR, Velankanni, Thoothukudi for road driving directions!