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GAI to BCN: distance & flight time
Gaithersburg (Montgomery County Airpark) → Barcelona (Barcelona International Airport)
4,028 mi
6,482 km · 3,500 nm
8h 22m
estimated nonstop flight time
+6h
time difference · heading northeast
See live GAI→BCN fares Phone-only fares on this route — call free
Flight time details
4,028 miles nonstop takes roughly 8h 22m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- BCN — Barcelona International Airport · Barcelona, Spain
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 BCN
- QSA · Sabadell Airport16 mi away
- REU · Reus Air Base48 mi away
- GRO · Girona Airport55 mi away
- LEU · Pirineus - la Seu d'Urgel Airport80 mi away
Frequently asked questions
How far is GAI from BCN?
The flight distance from Gaithersburg (GAI) to Barcelona (BCN) is 4,028 miles (6,482 km, 3,500 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to BCN?
A nonstop flight takes about 8h 22m 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 Gaithersburg and Barcelona?
Barcelona is 6 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to BCN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–BCN that never appear on search engines, with no booking fees.