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GAI to ATL: distance & flight time
Gaithersburg (Montgomery County Airpark) → Atlanta (Hartsfield Jackson Atlanta International Airport)
556 mi
894 km · 483 nm
1h 40m
estimated nonstop flight time
Same time
time difference · heading southwest
See live GAI→ATL fares Phone-only fares on this route — call free
Flight time details
556 miles nonstop takes roughly 1h 40m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- ATL — Hartsfield Jackson Atlanta International Airport · Atlanta, 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 GAI
Near ATL
- FTY · Fulton County Airport Brown Field11 mi away
- PDK · DeKalb Peachtree Airport18 mi away
- MGE · Dobbins Air Reserve Base20 mi away
- LZU · Gwinnett County Briscoe Field36 mi away
Frequently asked questions
How far is GAI from ATL?
The flight distance from Gaithersburg (GAI) to Atlanta (ATL) is 556 miles (894 km, 483 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to ATL?
A nonstop flight takes about 1h 40m 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 cheapest way to fly from GAI to ATL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–ATL that never appear on search engines, with no booking fees.