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GRK to USN: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Ulsan (Ulsan Airport)
6,907 mi
11,116 km · 6,002 nm
14h 1m
estimated nonstop flight time
+14h
time difference · heading northwest
See live GRK→USN fares Phone-only fares on this route — call free
Flight time details
6,907 miles nonstop takes roughly 14h 1m 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
- USN — Ulsan Airport · Ulsan, 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 USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
Frequently asked questions
How far is GRK from USN?
The flight distance from Killeen (GRK) to Ulsan (USN) is 6,907 miles (11,116 km, 6,002 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to USN?
A nonstop flight takes about 14h 1m 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 Ulsan?
Ulsan is 14 hours ahead of Killeen.
What is the cheapest way to fly from GRK to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–USN that never appear on search engines, with no booking fees.