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GMP to THL: distance & flight time

Seoul (Gimpo International Airport) → Tachilek (Tachileik Airport)

1,994 mi
3,209 km · 1,733 nm
4h 23m
estimated nonstop flight time
-2.5h
time difference · heading southwest
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Flight time details

1,994 miles nonstop takes roughly 4h 23m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is GMP from THL?

The flight distance from Seoul (GMP) to Tachilek (THL) is 1,994 miles (3,209 km, 1,733 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from GMP to THL?

A nonstop flight takes about 4h 23m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the time difference between Seoul and Tachilek?

Tachilek is 2.5 hours behind Seoul.

What is the cheapest way to fly from GMP to THL?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–THL that never appear on search engines, with no booking fees.
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