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GRM to DBQ: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Dubuque IA (Dubuque Regional Airport)
376 mi
605 km · 327 nm
1h 27m
estimated nonstop flight time
Same time
time difference · heading south
See live GRM→DBQ fares Phone-only fares on this route — call free
Flight time details
376 miles nonstop takes roughly 1h 27m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- DBQ — Dubuque Regional Airport · Dubuque IA, 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 DBQ
- CWI · Clinton Municipal Airport44 mi away
- PCD · Prairie Du Chien Municipal Airport48 mi away
- LNR · Tri-County Regional Airport62 mi away
- CID · The Eastern Iowa Airport63 mi away
Frequently asked questions
How far is GRM from DBQ?
The flight distance from Grand Marais (GRM) to Dubuque IA (DBQ) is 376 miles (605 km, 327 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to DBQ?
A nonstop flight takes about 1h 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 cheapest way to fly from GRM to DBQ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–DBQ that never appear on search engines, with no booking fees.