Bihar to Laos · 2,035 km · Compare travel & driving options
The straight-line distance from Arrah to Vientiane is approximately 2,035 km (1,264 miles). By road, the distance increases to about 1,757 km due to terrain, highways, and road networks connecting Bihar to Laos.
The drive from Arrah to Vientiane is a long one — approximately 1,757 km taking around 22 hrs 47 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