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NCO to DUC: distance & flight time
North Kingstown (Quonset State Airport) → Duncan (Halliburton Field)
1,519 mi
2,445 km · 1,320 nm
3h 27m
estimated nonstop flight time
-1h
time difference · heading west
See live NCO→DUC fares Phone-only fares on this route — call free
Flight time details
1,519 miles nonstop takes roughly 3h 27m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- NCO — Quonset State Airport · North Kingstown, United States
- DUC — Halliburton Field · Duncan, 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
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Frequently asked questions
How far is NCO from DUC?
The flight distance from North Kingstown (NCO) to Duncan (DUC) is 1,519 miles (2,445 km, 1,320 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NCO to DUC?
A nonstop flight takes about 3h 27m 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 time difference between North Kingstown and Duncan?
Duncan is 1 hour behind North Kingstown.
What is the cheapest way to fly from NCO to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NCO–DUC that never appear on search engines, with no booking fees.