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GAI to BSB: distance & flight time
Gaithersburg (Montgomery County Airpark) → Brasilia (Presidente Juscelino Kubistschek International Airport)
4,246 mi
6,833 km · 3,689 nm
8h 47m
estimated nonstop flight time
+1h
time difference · heading southeast
See live GAI→BSB fares Phone-only fares on this route — call free
Flight time details
4,246 miles nonstop takes roughly 8h 47m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- BSB — Presidente Juscelino Kubistschek International Airport · Brasilia, Brazil
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 BSB
- GYN · Santa Genoveva Airport101 mi away
- CLV · Nelson Ribeiro Guimarães Airport136 mi away
Frequently asked questions
How far is GAI from BSB?
The flight distance from Gaithersburg (GAI) to Brasilia (BSB) is 4,246 miles (6,833 km, 3,689 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to BSB?
A nonstop flight takes about 8h 47m 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 Brasilia?
Brasilia is 1 hour ahead of Gaithersburg.
What is the cheapest way to fly from GAI to BSB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–BSB that never appear on search engines, with no booking fees.