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GAI to GRU: distance & flight time
Gaithersburg (Montgomery County Airpark) → Sao Paulo (Guarulhos - Governador André Franco Montoro International Airport)
4,758 mi
7,658 km · 4,135 nm
9h 48m
estimated nonstop flight time
+1h
time difference · heading southeast
See live GAI→GRU fares Phone-only fares on this route — call free
Flight time details
4,758 miles nonstop takes roughly 9h 48m 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
- GRU — Guarulhos - Governador André Franco Montoro International Airport · Sao Paulo, 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 GRU
- CGH · Congonhas Airport18 mi away
- BJP · Estadual Arthur Siqueira Airport32 mi away
- SSZ · Base Aérea de Santos Airport36 mi away
- SJK · Professor Urbano Ernesto Stumpf Airport41 mi away
Frequently asked questions
How far is GAI from GRU?
The flight distance from Gaithersburg (GAI) to Sao Paulo (GRU) is 4,758 miles (7,658 km, 4,135 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to GRU?
A nonstop flight takes about 9h 48m 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 Sao Paulo?
Sao Paulo is 1 hour ahead of Gaithersburg.
What is the cheapest way to fly from GAI to GRU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–GRU that never appear on search engines, with no booking fees.