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YRO to GAI: distance & flight time
Ottawa (Ottawa / Rockcliffe Airport) → Gaithersburg (Montgomery County Airpark)
442 mi
711 km · 384 nm
1h 26m
estimated nonstop flight time
—
time difference · heading south
See live YRO→GAI fares Phone-only fares on this route — call free
Flight time details
442 miles nonstop takes roughly 1h 26m 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
- YRO — Ottawa / Rockcliffe Airport · Ottawa, 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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Frequently asked questions
How far is YRO from GAI?
The flight distance from Ottawa (YRO) to Gaithersburg (GAI) is 442 miles (711 km, 384 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YRO to GAI?
A nonstop flight takes about 1h 26m 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 YRO to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YRO–GAI that never appear on search engines, with no booking fees.