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GAI to REU: distance & flight time
Gaithersburg (Montgomery County Airpark) → Reus (Reus Air Base)
3,990 mi
6,421 km · 3,467 nm
8h 17m
estimated nonstop flight time
+6h
time difference · heading northeast
See live GAI→REU fares Phone-only fares on this route — call free
Flight time details
3,990 miles nonstop takes roughly 8h 17m 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
- REU — Reus Air Base · Reus, 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 REU
- BCN · Barcelona International Airport48 mi away
- ILD · Lleida-Alguaire Airport52 mi away
- QSA · Sabadell Airport55 mi away
- LEU · Pirineus - la Seu d'Urgel Airport83 mi away
Frequently asked questions
How far is GAI from REU?
The flight distance from Gaithersburg (GAI) to Reus (REU) is 3,990 miles (6,421 km, 3,467 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to REU?
A nonstop flight takes about 8h 17m 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 Reus?
Reus is 6 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to REU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–REU that never appear on search engines, with no booking fees.