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GRK to NAK: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Nakhon Ratchasima (Nakhon Ratchasima Airport)
8,988 mi
14,464 km · 7,810 nm
18h 5m
estimated nonstop flight time
+12h
time difference · heading northwest
See live GRK→NAK fares Phone-only fares on this route — call free
Flight time details
8,988 miles nonstop takes roughly 18h 5m 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
- NAK — Nakhon Ratchasima Airport · Nakhon Ratchasima, 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 NAK
- BFV · Buri Ram Airport66 mi away
- PXR · Surin Airport79 mi away
- KKC · Khon Kaen Airport109 mi away
- ROI · Roi Et Airport126 mi away
Frequently asked questions
How far is GRK from NAK?
The flight distance from Killeen (GRK) to Nakhon Ratchasima (NAK) is 8,988 miles (14,464 km, 7,810 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to NAK?
A nonstop flight takes about 18h 5m 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 Nakhon Ratchasima?
Nakhon Ratchasima is 12 hours ahead of Killeen.
What is the cheapest way to fly from GRK to NAK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–NAK that never appear on search engines, with no booking fees.