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ROI to GRM: distance & flight time
Roi Et (Roi Et Airport) → Grand Marais (Grand Marais Cook County Airport)
7,932 mi
12,765 km · 6,893 nm
16h 1m
estimated nonstop flight time
-12h
time difference · heading north
See live ROI→GRM fares Phone-only fares on this route — call free
Flight time details
7,932 miles nonstop takes roughly 16h 1m 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
- ROI — Roi Et Airport · Roi Et, Thailand
- GRM — Grand Marais Cook County Airport · Grand Marais, 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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
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
Frequently asked questions
How far is ROI from GRM?
The flight distance from Roi Et (ROI) to Grand Marais (GRM) is 7,932 miles (12,765 km, 6,893 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROI to GRM?
A nonstop flight takes about 16h 1m 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 Roi Et and Grand Marais?
Grand Marais is 12 hours behind Roi Et.
What is the cheapest way to fly from ROI to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROI–GRM that never appear on search engines, with no booking fees.