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GRM to HIO: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Hillsboro (Portland Hillsboro Airport)
1,540 mi
2,479 km · 1,338 nm
3h 29m
estimated nonstop flight time
-2h
time difference · heading west
See live GRM→HIO fares Phone-only fares on this route — call free
Flight time details
1,540 miles nonstop takes roughly 3h 29m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- HIO — Portland Hillsboro Airport · Hillsboro, 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 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 HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 mi away
Frequently asked questions
How far is GRM from HIO?
The flight distance from Grand Marais (GRM) to Hillsboro (HIO) is 1,540 miles (2,479 km, 1,338 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to HIO?
A nonstop flight takes about 3h 29m 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 Hillsboro?
Hillsboro is 2 hours behind Grand Marais.
What is the cheapest way to fly from GRM to HIO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–HIO that never appear on search engines, with no booking fees.