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GAI to OSU: distance & flight time
Gaithersburg (Montgomery County Airpark) → Columbus (The Ohio State University Airport - Don Scott Field)
321 mi
516 km · 279 nm
1h 19m
estimated nonstop flight time
Same time
time difference · heading west
See live GAI→OSU fares Phone-only fares on this route — call free
Flight time details
321 miles nonstop takes roughly 1h 19m gate to gate, flying west. 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
- OSU — The Ohio State University Airport - Don Scott Field · Columbus, 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
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GAI
Near OSU
- CMH · John Glenn Columbus International Airport11 mi away
- LCK · Rickenbacker International Airport20 mi away
- SGH · Springfield-Beckley Municipal Airport44 mi away
- GQQ · Galion Municipal Airport50 mi away
Frequently asked questions
How far is GAI from OSU?
The flight distance from Gaithersburg (GAI) to Columbus (OSU) is 321 miles (516 km, 279 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to OSU?
A nonstop flight takes about 1h 19m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GAI to OSU?
Nonstop service on GAI–OSU depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 19m nonstop estimate.
What is the cheapest way to fly from GAI to OSU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–OSU that never appear on search engines, with no booking fees.
Why are some GAI to OSU fares phone-only?
Consolidator contracts let us sell certain GAI–OSU tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.