Distance from Janakpur to Vientiane

The distance between Janakpur, Nepal and Vientiane, Laos is 1,990 km (1,236 miles) in a straight line. If a road route exists, expect roughly 2487 km (1545 miles) by car — around 31 h 5 min of driving.

Measure Value
Straight-line distance 1,990 km / 1,236 mi
Road distance (estimate) ≈ 2487 km / 1545 mi
Driving time (estimate) ≈ 31 h 5 min
Flight time (estimate) ≈ 2 h 50 min

Road distance and travel times are estimates based on the straight-line distance (road factor 1.25, average speed 80 km/h) — actual routes vary.

Place Latitude Longitude
Janakpur, Nepal 27.262197867277 86.014043822855
Vientiane, Laos 17.9621577 102.6116341

Frequently asked questions

How far is Vientiane from Janakpur?

The straight-line (air) distance from Janakpur, Nepal to Vientiane, Laos is 1,990 km (1,236 miles). By road it is roughly 2487 km (1545 miles), depending on the route.

How long does it take to drive from Janakpur to Vientiane?

Approximately 31 h 5 min, assuming an 80 km/h average over an estimated road distance of 2487 km. Actual time depends on the route, traffic and border crossings.

How long is the flight from Janakpur to Vientiane?

A direct flight covers 1,990 km in about 2 h 50 min at typical cruise speed, plus airport time. Not all city pairs have direct flights.

How do I calculate distances for a whole list of locations?

Upload a CSV or Excel spreadsheet to the batch distance calculator — it computes the distance for every origin–destination row at once. The first records are free to try.

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