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GAI to ARB: distance & flight time
Gaithersburg (Montgomery County Airpark) → Ann Arbor (Ann Arbor Municipal Airport)
404 mi
650 km · 351 nm
1h 21m
estimated nonstop flight time
Same time
time difference · heading northwest
See live GAI→ARB fares Phone-only fares on this route — call free
Flight time details
404 miles nonstop takes roughly 1h 21m gate to gate, flying northwest. 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
- GAI — Montgomery County Airpark · Gaithersburg, United States
- ARB — Ann Arbor Municipal Airport · Ann Arbor, 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 GAI
Near ARB
- DTW · Detroit Metropolitan Wayne County Airport20 mi away
- YIP · Willow Run Airport11 mi away
- PTK · Oakland County International Airport35 mi away
- JXN · Jackson County Reynolds Field37 mi away
Frequently asked questions
How far is GAI from ARB?
The flight distance from Gaithersburg (GAI) to Ann Arbor (ARB) is 404 miles (650 km, 351 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to ARB?
A nonstop flight takes about 1h 21m 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 GAI to ARB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–ARB that never appear on search engines, with no booking fees.