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DU9 to GAI: distance & flight time
Dunnville (Dunnville Airport) → Gaithersburg (Montgomery County Airpark)
286 mi
459 km · 248 nm
1h 13m
estimated nonstop flight time
—
time difference · heading southeast
See live DU9→GAI fares Phone-only fares on this route — call free
Flight time details
286 miles nonstop takes roughly 1h 13m gate to gate, flying southeast. 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
- DU9 — Dunnville Airport · Dunnville, Canada
- 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 DU9
Near GAI
Frequently asked questions
How far is DU9 from GAI?
The flight distance from Dunnville (DU9) to Gaithersburg (GAI) is 286 miles (459 km, 248 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DU9 to GAI?
A nonstop flight takes about 1h 13m 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 DU9 to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DU9–GAI that never appear on search engines, with no booking fees.