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 Hanoi to Seoul take?

Flight time depends on the exact route and aircraft, but at roughly 2,740 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: Hanoi to Seoul

2,740

Kilometres (km)

1,703

Miles (mi)

1,479

Nautical miles

About this flight distance

The great circle distance from Hanoi to Seoul is approximately 2,740 km. The typical flight time is 4h 00m.

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 Hanoi to Seoul →Flight duration Hanoi to Seoul →Cheapest day to fly Hanoi to Seoul →Flights Hanoi to Seoul

Nearby airports

Near Seoul

Gimpo International Airport (GMP)32 km

Frequently Asked Questions

The great-circle distance from Hanoi to Seoul is approximately 2,740 km (1,703 miles).