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ATL to GAI: distance & flight time
Atlanta (Hartsfield Jackson Atlanta International Airport) → Gaithersburg (Montgomery County Airpark)
556 mi
894 km · 483 nm
1h 40m
estimated nonstop flight time
Same time
time difference · heading northeast
See live ATL→GAI fares Phone-only fares on this route — call free
Flight time details
556 miles nonstop takes roughly 1h 40m gate to gate, flying northeast. 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
- ATL — Hartsfield Jackson Atlanta International Airport · Atlanta, United States
- GAI — Montgomery County Airpark · Gaithersburg, 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 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
Near GAI
Frequently asked questions
How far is ATL from GAI?
The flight distance from Atlanta (ATL) to Gaithersburg (GAI) is 556 miles (894 km, 483 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATL to GAI?
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 ATL to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATL–GAI that never appear on search engines, with no booking fees.