Distance from Vientiane to Phnom Penh

The distance between Vientiane, Laos and Phnom Penh, Cambodia is 752 km (467 miles) in a straight line. If a road route exists, expect roughly 940 km (584 miles) by car — around 11 h 45 min of driving.

Measure Value
Straight-line distance 752 km / 467 mi
Road distance (estimate) ≈ 940 km / 584 mi
Driving time (estimate) ≈ 11 h 45 min
Flight time (estimate) ≈ 1 h 23 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
Vientiane, Laos 17.9621577 102.6116341
Phnom Penh, Cambodia 11.5661768 104.8820388

Frequently asked questions

How far is Phnom Penh from Vientiane?

The straight-line (air) distance from Vientiane, Laos to Phnom Penh, Cambodia is 752 km (467 miles). By road it is roughly 940 km (584 miles), depending on the route.

How long does it take to drive from Vientiane to Phnom Penh?

Approximately 11 h 45 min, assuming an 80 km/h average over an estimated road distance of 940 km. Actual time depends on the route, traffic and border crossings.

How long is the flight from Vientiane to Phnom Penh?

A direct flight covers 752 km in about 1 h 23 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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