Wondering how to book Chennai to Ramanathapuram one way taxi. Bookcab provides one way car rental services from Chennai to Ramanathapuram. Now you don't have to book for roundtrip. No hidden charges. Cab charges for one way taxi to Ramanathapuram starts from INR . Distance between Chennai to Ramanathapuram is 498 km. Approximate time to reach Ramanathapuram is 7 hours 20 mins. You can book one way taxi to Ramanathapuram from Chennai easily in three simple steps by using Bookcab's online cab booking services. Hire a cab for Chennai to Ramanathapuram one way drop at Bookcab where you can choose comfortable and luxurious cab from a wide range of cars available.