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UTH to GRF: distance & flight time
Udon Thani (Udon Thani Airport) → Fort Lewis (Gray Army Air Field)
7,169 mi
11,537 km · 6,229 nm
14h 31m
estimated nonstop flight time
-14h
time difference · heading northeast
See live UTH→GRF fares Phone-only fares on this route — call free
Flight time details
7,169 miles nonstop takes roughly 14h 31m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- UTH — Udon Thani Airport · Udon Thani, Thailand
- GRF — Gray Army Air Field · Fort Lewis, 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 UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Near GRF
- SEA · Seattle Tacoma International Airport29 mi away
- TCM · McChord Air Force Base6 mi away
- TIW · Tacoma Narrows Airport13 mi away
- OLM · Olympia Regional Airport17 mi away
Frequently asked questions
How far is UTH from GRF?
The flight distance from Udon Thani (UTH) to Fort Lewis (GRF) is 7,169 miles (11,537 km, 6,229 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UTH to GRF?
A nonstop flight takes about 14h 31m 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 Udon Thani and Fort Lewis?
Fort Lewis is 14 hours behind Udon Thani.
What is the cheapest way to fly from UTH to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UTH–GRF that never appear on search engines, with no booking fees.