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HIO to GRM: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Grand Marais (Grand Marais Cook County Airport)
1,540 mi
2,479 km · 1,338 nm
3h 29m
estimated nonstop flight time
+2h
time difference · heading east
See live HIO→GRM fares Phone-only fares on this route — call free
Flight time details
1,540 miles nonstop takes roughly 3h 29m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- HIO — Portland Hillsboro Airport · Hillsboro, United States
- 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 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
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 HIO from GRM?
The flight distance from Hillsboro (HIO) to Grand Marais (GRM) 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 HIO to GRM?
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.
Are there nonstop flights from HIO to GRM?
Nonstop service on HIO–GRM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 3h 29m nonstop estimate.
What is the time difference between Hillsboro and Grand Marais?
Grand Marais is 2 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–GRM that never appear on search engines, with no booking fees.
Why are some HIO to GRM fares phone-only?
Consolidator contracts let us sell certain HIO–GRM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.