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UBP to GRK: distance & flight time
Ubon Ratchathani (Ubon Ratchathani Airport) → Killeen (Robert Gray Army Air Field Airport)
8,899 mi
14,322 km · 7,733 nm
17h 55m
estimated nonstop flight time
-12h
time difference · heading northeast
See live UBP→GRK fares Phone-only fares on this route — call free
Flight time details
8,899 miles nonstop takes roughly 17h 55m gate to gate, flying northeast. 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
- UBP — Ubon Ratchathani Airport · Ubon Ratchathani, 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 UBP
- PKZ · Pakse International Airport61 mi away
- ZVK · Savannakhet Airport90 mi away
- ROI · Roi Et Airport94 mi away
- PXR · Surin 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 UBP from GRK?
The flight distance from Ubon Ratchathani (UBP) to Killeen (GRK) is 8,899 miles (14,322 km, 7,733 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UBP to GRK?
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 Ubon Ratchathani and Killeen?
Killeen is 12 hours behind Ubon Ratchathani.
What is the cheapest way to fly from UBP to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBP–GRK that never appear on search engines, with no booking fees.