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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–DU9 that never appear on search engines, with no booking fees.