Karnataka to Tamil Nadu · 439 km · Compare trains, buses & driving options
The straight-line distance from Mangalore to Theni is approximately 439 km (273 miles). By road, the distance increases to about 571 km due to terrain, highways, and road networks connecting Karnataka to Tamil Nadu.
Theni does not have its own commercial airport. The nearest airport is Madurai (IXM). Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportIndian Railways connects Mangalore and Theni with multiple daily services. The journey takes approximately 8 hrs 47 min. Rajdhani and Shatabdi express trains are faster, while mail and passenger trains make more stops but cost less.
Book in advance through IRCTC, especially during festivals and holidays when seats fill up quickly.
Check Trains on IRCTCBus travel is a popular and affordable option for the Mangalore to Theni route. The journey takes approximately 11 hrs 25 min covering ~571 km. Both government and private operators service this route.
Night buses are popular for this distance — travel while you sleep and arrive fresh at your destination.
Search Mangalore to Theni BusesA road trip from Mangalore to Theni covers approximately 571 km and takes around 9 hrs 34 min. Start early to make the most of daylight hours.
For official travel information, regulations, and booking services:
IRCTC — Indian Railway Catering and Tourism Corporation — Book train tickets online
Airports Authority of India — Airport information and flight status
DGCA — Directorate General of Civil Aviation — Indian aviation regulator
Incredible India — Official tourism portal of India