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OSY to DUC: distance & flight time
Namsos (Namsos Høknesøra Airport) → Duncan (Halliburton Field)
4,624 mi
7,442 km · 4,018 nm
9h 32m
estimated nonstop flight time
-7h
time difference · heading northwest
See live OSY→DUC fares Phone-only fares on this route — call free
Flight time details
4,624 miles nonstop takes roughly 9h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- OSY — Namsos Høknesøra Airport · Namsos, Norway
- 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
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 OSY
- RVK · Rørvik Airport, Ryum28 mi away
- BNN · Brønnøysund Airport71 mi away
- TRD · Trondheim Airport Værnes73 mi away
- OLA · Ørland Airport80 mi away
Near DUC
Frequently asked questions
How far is OSY from DUC?
The flight distance from Namsos (OSY) to Duncan (DUC) is 4,624 miles (7,442 km, 4,018 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSY to DUC?
A nonstop flight takes about 9h 32m 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 Namsos and Duncan?
Duncan is 7 hours behind Namsos.
What is the cheapest way to fly from OSY to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSY–DUC that never appear on search engines, with no booking fees.