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UNN to GRK: distance & flight time
Ranong (Ranong Airport) → Killeen (Robert Gray Army Air Field Airport)
9,412 mi
15,148 km · 8,179 nm
18h 55m
estimated nonstop flight time
-12h
time difference · heading north
See live UNN→GRK fares Phone-only fares on this route — call free
Flight time details
9,412 miles nonstop takes roughly 18h 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 set-back when reading arrival times on your ticket.
The two airports
- UNN — Ranong Airport · Ranong, Thailand
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
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 UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 mi away
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
Frequently asked questions
How far is UNN from GRK?
The flight distance from Ranong (UNN) to Killeen (GRK) is 9,412 miles (15,148 km, 8,179 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UNN to GRK?
A nonstop flight takes about 18h 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 Ranong and Killeen?
Killeen is 12 hours behind Ranong.
What is the cheapest way to fly from UNN to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UNN–GRK that never appear on search engines, with no booking fees.