How is the flight distance measured?

Flight distances are measured as the great-circle (straight-line) distance between airports. Actual flight paths may be slightly longer due to air traffic routing and weather avoidance.

How long does the flight from Bangkok to Vientiane take?

Flight time depends on the exact route and aircraft, but at roughly 517 km the typical non-stop flight takes 1–10 hours. Check the flight duration page for the exact average.

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Flight Distance: Bangkok to Vientiane

517

Kilometres (km)

321

Miles (mi)

279

Nautical miles

About this flight distance

The great circle distance from Bangkok to Vientiane is approximately 517 km. The typical flight time is 1h 06m.

This is the shortest possible distance between the two cities as the crow flies. Real flight paths are often slightly longer due to air traffic control routing, weather, and airspace restrictions.

Related route pages

→Direct flights Bangkok to Vientiane →Flight duration Bangkok to Vientiane →Cheapest day to fly Bangkok to Vientiane →Flights Bangkok to Vientiane

Nearby airports

Near Bangkok

Don Mueang International Airport (DMK)30 km

Near Vientiane

Udon Thani Airport (UTH)71 km

Frequently Asked Questions

The great-circle distance from Bangkok to Vientiane is approximately 517 km (321 miles).