Bihar to Bhutan · 539 km · Compare travel & driving options
The straight-line distance from Arrah to Thimphu is approximately 539 km (335 miles). By road, the distance increases to about 701 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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