Bihar to Thailand · 1,393 km · Compare travel & driving options
The straight-line distance from Katihar to Chiang Mai is approximately 1,393 km (866 miles). By road, the distance increases to about 1,461 km due to terrain, highways, and road networks connecting Bihar to Thailand.
The drive from Katihar to Chiang Mai is a long one — approximately 1,461 km taking around 19 hrs 11 min. Plan at least one overnight halt. Fatigue driving on Indian highways is dangerous.
For official travel information, regulations, and booking services:
DGCA — Indian aviation authority
Passport Seva — Passport and travel documents