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GRK to UTP: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Pattaya (U-Tapao International Airport)
9,166 mi
14,751 km · 7,965 nm
18h 26m
estimated nonstop flight time
+12h
time difference · heading northwest
See live GRK→UTP fares Phone-only fares on this route — call free
Flight time details
9,166 miles nonstop takes roughly 18h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- UTP — U-Tapao International Airport · Pattaya, Thailand
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 UTP
- HHQ · Hua Hin Airport71 mi away
- BKK · Suvarnabhumi Airport71 mi away
- DMK · Don Mueang International Airport89 mi away
- TDX · Trat Airport93 mi away
Frequently asked questions
How far is GRK from UTP?
The flight distance from Killeen (GRK) to Pattaya (UTP) is 9,166 miles (14,751 km, 7,965 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to UTP?
A nonstop flight takes about 18h 26m 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 Pattaya?
Pattaya is 12 hours ahead of Killeen.
What is the cheapest way to fly from GRK to UTP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–UTP that never appear on search engines, with no booking fees.