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FAB to GAI: distance & flight time
Farnborough (Farnborough Airport) → Gaithersburg (Montgomery County Airpark)
3,637 mi
5,853 km · 3,160 nm
7h 36m
estimated nonstop flight time
-5h
time difference · heading west
See live FAB→GAI fares Phone-only fares on this route — call free
Flight time details
3,637 miles nonstop takes roughly 7h 36m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- FAB — Farnborough Airport · Farnborough, United Kingdom
- 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 FAB
- LHR · London Heathrow Airport19 mi away
- LGW · London Gatwick Airport27 mi away
- BBS · Blackbushe Airport5 mi away
- ODH · RAF Odiham8 mi away
Near GAI
Frequently asked questions
How far is FAB from GAI?
The flight distance from Farnborough (FAB) to Gaithersburg (GAI) is 3,637 miles (5,853 km, 3,160 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FAB to GAI?
A nonstop flight takes about 7h 36m 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 Farnborough and Gaithersburg?
Gaithersburg is 5 hours behind Farnborough.
What is the cheapest way to fly from FAB to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FAB–GAI that never appear on search engines, with no booking fees.