Bihar to Bhutan · 312 km · Compare travel & driving options
The straight-line distance from Supaul to Thimphu is approximately 312 km (194 miles). By road, the distance increases to about 406 km due to terrain, highways, and road networks connecting Bihar to Bhutan.
For official travel information, regulations, and booking services:
DGCA — Indian aviation authority
Passport Seva — Passport and travel documents
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