The driving time from Chennai to Thiruvananthapuram via ECR, Velankanni, Ramanathapuram is 23 hours 35 minutes by road. You can also find other options to travel from Chennai to Thiruvananthapuram via ECR, Velankanni, Ramanathapuram like bus, subway, tram, train and rail. To know the travel distances while planning a journey, find the
Distance from Chennai to Thiruvananthapuram via ECR, Velankanni, Ramanathapuram!