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WBU to GRM: distance & flight time
Boulder (Boulder Municipal Airport) → Grand Marais (Grand Marais Cook County Airport)
912 mi
1,467 km · 792 nm
2h 27m
estimated nonstop flight time
+1h
time difference · heading northeast
See live WBU→GRM fares Phone-only fares on this route — call free
Flight time details
912 miles nonstop takes roughly 2h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 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 WBU from GRM?
The flight distance from Boulder (WBU) to Grand Marais (GRM) is 912 miles (1,467 km, 792 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to GRM?
A nonstop flight takes about 2h 27m 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 Boulder and Grand Marais?
Grand Marais is 1 hour ahead of Boulder.
What is the cheapest way to fly from WBU to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–GRM that never appear on search engines, with no booking fees.