Need help booking?
Unpublished phone-only deals available
PDK to GAI: distance & flight time
Atlanta (DeKalb Peachtree Airport) → Gaithersburg (Montgomery County Airpark)
539 mi
867 km · 468 nm
1h 38m
estimated nonstop flight time
Same time
time difference · heading northeast
See live PDK→GAI fares Phone-only fares on this route — call free
Flight time details
539 miles nonstop takes roughly 1h 38m 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
- PDK — DeKalb Peachtree 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 PDK
- ATL · Hartsfield Jackson Atlanta International Airport18 mi away
- MGE · Dobbins Air Reserve Base13 mi away
- FTY · Fulton County Airport Brown Field14 mi away
- LZU · Gwinnett County Briscoe Field21 mi away
Near GAI
Frequently asked questions
How far is PDK from GAI?
The flight distance from Atlanta (PDK) to Gaithersburg (GAI) is 539 miles (867 km, 468 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PDK to GAI?
A nonstop flight takes about 1h 38m 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 PDK to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PDK–GAI that never appear on search engines, with no booking fees.