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DUC to SFZ: distance & flight time
Duncan (Halliburton Field) → Smithfield (North Central State Airport)
1,519 mi
2,445 km · 1,320 nm
3h 27m
estimated nonstop flight time
+1h
time difference · heading northeast
See live DUC→SFZ fares Phone-only fares on this route — call free
Flight time details
1,519 miles nonstop takes roughly 3h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- DUC — Halliburton Field · Duncan, United States
- SFZ — North Central State Airport · Smithfield, 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 DUC
Near SFZ
- BOS · General Edward Lawrence Logan International Airport39 mi away
- PVD · Theodore Francis Green State Airport14 mi away
- NCO · Quonset State Airport23 mi away
- OWD · Norwood Memorial Airport25 mi away
Frequently asked questions
How far is DUC from SFZ?
The flight distance from Duncan (DUC) to Smithfield (SFZ) 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 DUC to SFZ?
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 Duncan and Smithfield?
Smithfield is 1 hour ahead of Duncan.
What is the cheapest way to fly from DUC to SFZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–SFZ that never appear on search engines, with no booking fees.