Is there a direct train?

No, there is no direct train from Kallambalam; you must board from Varkala or Thiruvananthapuram.

How long is the bus ride?

The bus ride typically takes between 3 to 4 hours depending on traffic.

Yes, there are toll plazas on the NH 66 stretch between Kerala and Tamil Nadu.

Which is the best bus service?

KSRTC and TNSTC provide the most reliable and frequent services on this route.

The road is generally safe, but exercise caution during the monsoon season due to potential waterlogging.

Nagercoil

Bus Driving

Kallambalam to Nagercoil

Updated: 22 May 2026

The journey from Kallambalam to Nagercoil covers approximately 95 kilometers via the NH 66 highway. You will pass through major towns like Attingal, Thiruvananthapuram, and Parassala before crossing the Kerala-Tamil Nadu border. KSRTC and TNSTC buses operate frequently on this route throughout the day. The drive offers scenic views of the Western Ghats and coastal Kerala landscapes. Expect a travel time of roughly 3 hours depending on traffic at the border check-post.

Total Distance: 95 km by road, 88 km straight-line.

Fastest Way

Private car via NH 66, taking roughly 2 hours 45 minutes.

Cheapest Way

KSRTC bus, costing approximately 200 INR, is the most economical option.

Compare Kallambalam to Nagercoil Routes

	Bus Direct	Driving Direct
Duration	3 hours 30 mins	2 hours 45 mins
Avg Price	200-350 INR	1500-2500 INR
Operator	KSRTC	Private Taxi
Route	NH 66 via Thiruvananthapuram and Parassala.	NH 66 through Attingal and Marthandam.
Tip	Board KSRTC superfast buses from the Kallambalam junction for faster transit.	Start early morning to avoid heavy traffic congestion in Thiruvananthapuram city.

Travel Tips

Border Crossing
Keep your ID proof handy as there are occasional checks at the Kaliyakkavilai border.
Bus Stops
Use the Kallambalam junction bus stop for the most frequent connections to the south.
Traffic Alert
Avoid traveling through Thiruvananthapuram city center during peak office hours to save time.
Currency
Carry small denominations of cash for toll booths and local bus tickets.
Hydration
Carry water as the coastal heat can be intense during the afternoon hours.

Safety Tips

Night Travel
Avoid late-night driving on the NH 66 stretch due to ongoing road construction work.
Emergency Numbers
Save local police station numbers for Attingal and Nagercoil in your phone.
Vehicle Check
Ensure your vehicle tires and brakes are in good condition for the highway drive.
Valuables
Keep your bags secure while traveling on public buses to prevent petty theft.