Need help booking?
Unpublished phone-only deals available
MRO to GRM: distance & flight time
Masterton (Hood Airport) → Grand Marais (Grand Marais Cook County Airport)
8,389 mi
13,501 km · 7,290 nm
16h 55m
estimated nonstop flight time
-17h
time difference · heading northeast
See live MRO→GRM fares Phone-only fares on this route — call free
Flight time details
8,389 miles nonstop takes roughly 16h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 17-hour time set-back when reading arrival times on your ticket.
The two airports
- MRO — Hood Airport · Masterton, New Zealand
- 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 MRO
- PPQ · Paraparaumu Airport34 mi away
- PMR · Palmerston North Airport45 mi away
- WLG · Wellington International Airport50 mi away
- OHA · RNZAF Base Ohakea55 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 MRO from GRM?
The flight distance from Masterton (MRO) to Grand Marais (GRM) is 8,389 miles (13,501 km, 7,290 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MRO to GRM?
A nonstop flight takes about 16h 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 Masterton and Grand Marais?
Grand Marais is 17 hours behind Masterton.
What is the cheapest way to fly from MRO to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MRO–GRM that never appear on search engines, with no booking fees.