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GRK to THS: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Sukhothai (Sukhothai Airport)
8,900 mi
14,322 km · 7,733 nm
17h 55m
estimated nonstop flight time
+12h
time difference · heading north
See live GRK→THS fares Phone-only fares on this route — call free
Flight time details
8,900 miles nonstop takes roughly 17h 55m gate to gate, flying north. 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
- THS — Sukhothai Airport · Sukhothai, 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 THS
- PHS · Phitsanulok Airport44 mi away
- TKT · Tak Airport44 mi away
- PRH · Phrae Airport66 mi away
- LPT · Lampang Airport74 mi away
Frequently asked questions
How far is GRK from THS?
The flight distance from Killeen (GRK) to Sukhothai (THS) is 8,900 miles (14,322 km, 7,733 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to THS?
A nonstop flight takes about 17h 55m 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 Sukhothai?
Sukhothai is 12 hours ahead of Killeen.
What is the cheapest way to fly from GRK to THS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–THS that never appear on search engines, with no booking fees.