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GRK to URT: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Surat Thani (Surat Thani Airport)
9,441 mi
15,193 km · 8,204 nm
18h 59m
estimated nonstop flight time
+12h
time difference · heading northwest
See live GRK→URT fares Phone-only fares on this route — call free
Flight time details
9,441 miles nonstop takes roughly 18h 59m 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
- URT — Surat Thani Airport · Surat Thani, 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 URT
- UNN · Ranong Airport58 mi away
- USM · Samui Airport69 mi away
- NST · Nakhon Si Thammarat Airport69 mi away
- KBV · Krabi Airport72 mi away
Frequently asked questions
How far is GRK from URT?
The flight distance from Killeen (GRK) to Surat Thani (URT) is 9,441 miles (15,193 km, 8,204 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to URT?
A nonstop flight takes about 18h 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 Surat Thani?
Surat Thani is 12 hours ahead of Killeen.
What is the cheapest way to fly from GRK to URT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–URT that never appear on search engines, with no booking fees.