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FMH to GAI: distance & flight time
Falmouth (Cape Cod Coast Guard Air Station) → Gaithersburg (Montgomery County Airpark)
389 mi
627 km · 338 nm
1h 29m
estimated nonstop flight time
Same time
time difference · heading southwest
See live FMH→GAI fares Phone-only fares on this route — call free
Flight time details
389 miles nonstop takes roughly 1h 29m gate to gate, flying southwest. 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
- FMH — Cape Cod Coast Guard Air Station · Falmouth, 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
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Near FMH
Near GAI
Frequently asked questions
How far is FMH from GAI?
The flight distance from Falmouth (FMH) to Gaithersburg (GAI) is 389 miles (627 km, 338 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FMH to GAI?
A nonstop flight takes about 1h 29m 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 FMH to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FMH–GAI that never appear on search engines, with no booking fees.