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GRM to UTH: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Udon Thani (Udon Thani Airport)
7,857 mi
12,645 km · 6,828 nm
15h 52m
estimated nonstop flight time
+12h
time difference · heading north
See live GRM→UTH fares Phone-only fares on this route — call free
Flight time details
7,857 miles nonstop takes roughly 15h 52m 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
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- UTH — Udon Thani Airport · Udon Thani, 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 GRM
- YQT · Thunder Bay Airport61 mi away
- LYU · Ely Municipal Airport67 mi away
- YIB · Atikokan Municipal Airport87 mi away
- CMX · Houghton County Memorial Airport100 mi away
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
Frequently asked questions
How far is GRM from UTH?
The flight distance from Grand Marais (GRM) to Udon Thani (UTH) is 7,857 miles (12,645 km, 6,828 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to UTH?
A nonstop flight takes about 15h 52m 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 Grand Marais and Udon Thani?
Udon Thani is 12 hours ahead of Grand Marais.
What is the cheapest way to fly from GRM to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–UTH that never appear on search engines, with no booking fees.