Karnataka to Tamil Nadu · 483 km · Compare trains, buses & driving options
The straight-line distance from Udupi to Theni is approximately 483 km (300 miles). By road, the distance increases to about 621 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 Udupi and Theni with multiple daily services. The journey takes approximately 9 hrs 33 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 Udupi to Theni route. The journey takes approximately 12 hrs 25 min covering ~621 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 Udupi to Theni BusesA road trip from Udupi to Theni covers approximately 621 km and takes around 10 hrs 15 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
Flights, hotels, buses and trip bundles — honest prices.