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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSU–IAD that never appear on search engines, with no booking fees.