Bihar to Iran · 3,598 km · Compare travel & driving options
The straight-line distance from Purnia to Tehran is approximately 3,598 km (2,236 miles). By road, the distance increases to about 2,168 km due to terrain, highways, and road networks connecting Bihar to Iran.
For official travel information, regulations, and booking services:
DGCA — Indian aviation authority
Passport Seva — Passport and travel documents