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MDT to GAI: distance & flight time
Harrisburg (Harrisburg International Airport) → Gaithersburg (Montgomery County Airpark)
74 mi
119 km · 64 nm
40m
estimated nonstop flight time
Same time
time difference · heading south
See live MDT→GAI fares Phone-only fares on this route — call free
Flight time details
74 miles nonstop takes roughly 40m gate to gate, flying south. 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
- MDT — Harrisburg International Airport · Harrisburg, 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
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Near MDT
Near GAI
Frequently asked questions
How far is MDT from GAI?
The flight distance from Harrisburg (MDT) to Gaithersburg (GAI) is 74 miles (119 km, 64 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MDT to GAI?
A nonstop flight takes about 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 MDT to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MDT–GAI that never appear on search engines, with no booking fees.