Rameshwaram is well connected with Chennai via road. Taxis and buses ply to Rameshwaram on a regular basis from Chennai. You can chose from luxury Volvo buses as well as state run buses to Rameshwaram. Volvo buses charge around 500 INR to Rameshwaram and the state buses charge between 100-150 INR.
Head northwest on Vittal Mallya Rd
Take the 1st left onto Kasturba Rd/Rajaram Mohan Roy Rd/Vittal Mallya Rd
Turn right at Woody's Restaurant onto LB Road
Turn left after St Joseph's College
Turn right at Elgin Apartments onto Hosur Rd
Keep right to stay on Hosur Rd
Keep right to continue on Hosur Rd/Madiwala Underpass
Continue onto Kanyakumari Rd
Keep right to continue on Electronic City Flyover/Hosur Road Elevated Expy
Continue onto Bangalore Elevated Tollway Limited
Continue onto Kanyakumari Rd
Slight left to stay on Kanyakumari Rd
Slight right to stay on Kanyakumari Rd
Slight left to stay on Kanyakumari Rd
Slight right toward Kanyakumari Rd
Slight right toward Kanyakumari Rd
Continue straight onto Kanyakumari Rd
Slight left onto Service Rd
Turn right to stay on Service Rd
Turn left onto Kanyakumari Rd
Take the ramp to Kochi - Dhanushkodi Rd/Kochi Madurai Tondi Point Hwy
Turn left onto Kochi - Dhanushkodi Rd/Kochi Madurai Tondi Point Hwy
At Yanaikkal, continue onto N Veli St
Turn left at E Gate Jct onto Kochi - Dhanushkodi Rd/Kochi Madurai Tondi Point Hwy
Turn right to stay on Kochi - Dhanushkodi Rd/Kochi Madurai Tondi Point Hwy
Slight right to stay on Kochi - Dhanushkodi Rd
Turn right at KALYANA BIRIYANI to stay on Kochi - Dhanushkodi Rd