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DBQ to GAI: distance & flight time
Dubuque IA (Dubuque Regional Airport) → Gaithersburg (Montgomery County Airpark)
742 mi
1,194 km · 645 nm
2h 5m
estimated nonstop flight time
+1h
time difference · heading east
See live DBQ→GAI fares Phone-only fares on this route — call free
Flight time details
742 miles nonstop takes roughly 2h 5m gate to gate, flying east. 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
- DBQ — Dubuque Regional Airport · Dubuque IA, United States
- GAI — Montgomery County Airpark · Gaithersburg, 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 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
Near GAI
Frequently asked questions
How far is DBQ from GAI?
The flight distance from Dubuque IA (DBQ) to Gaithersburg (GAI) is 742 miles (1,194 km, 645 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DBQ to GAI?
A nonstop flight takes about 2h 5m 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 Dubuque IA and Gaithersburg?
Gaithersburg is 1 hour ahead of Dubuque IA.
What is the cheapest way to fly from DBQ to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DBQ–GAI that never appear on search engines, with no booking fees.