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NCO to IAD: distance & flight time
North Kingstown (Quonset State Airport) → Washington (Washington Dulles International Airport)
367 mi
591 km · 319 nm
1h 26m
estimated nonstop flight time
Same time
time difference · heading southwest
See live NCO→IAD fares Phone-only fares on this route — call free
Flight time details
367 miles nonstop takes roughly 1h 26m gate to gate, flying southwest. 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
- NCO — Quonset State Airport · North Kingstown, 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
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Near NCO
Frequently asked questions
How far is NCO from IAD?
The flight distance from North Kingstown (NCO) to Washington (IAD) is 367 miles (591 km, 319 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NCO to IAD?
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 NCO to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NCO–IAD that never appear on search engines, with no booking fees.