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GRK to GMP: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Seoul (Gimpo International Airport)
6,890 mi
11,088 km · 5,987 nm
13h 59m
estimated nonstop flight time
+14h
time difference · heading northwest
See live GRK→GMP fares Phone-only fares on this route — call free
Flight time details
6,890 miles nonstop takes roughly 13h 59m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- GMP — Gimpo International Airport · Seoul, South Korea
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GRK
- HLR · Hood Army Air Field8 mi away
- AUS · Austin Bergstrom International Airport61 mi away
- TPL · Draughon Miller Central Texas Regional Airport26 mi away
- ACT · Waco Regional Airport52 mi away
Near GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
Frequently asked questions
How far is GRK from GMP?
The flight distance from Killeen (GRK) to Seoul (GMP) is 6,890 miles (11,088 km, 5,987 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to GMP?
A nonstop flight takes about 13h 59m 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 Killeen and Seoul?
Seoul is 14 hours ahead of Killeen.
What is the cheapest way to fly from GRK to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–GMP that never appear on search engines, with no booking fees.