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IAD to OSU: distance & flight time
Washington (Washington Dulles International Airport) → Columbus (The Ohio State University Airport - Don Scott Field)
309 mi
498 km · 269 nm
1h 17m
estimated nonstop flight time
Same time
time difference · heading west
See live IAD→OSU fares Phone-only fares on this route — call free
Flight time details
309 miles nonstop takes roughly 1h 17m 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
- IAD — Washington Dulles International Airport · Washington, 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 IAD
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 IAD from OSU?
The flight distance from Washington (IAD) to Columbus (OSU) is 309 miles (498 km, 269 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to OSU?
A nonstop flight takes about 1h 17m 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 IAD to OSU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–OSU that never appear on search engines, with no booking fees.