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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–MDT that never appear on search engines, with no booking fees.