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SXI to DUC: distance & flight time
Siri Island (Sirri Island Airport) → Duncan (Halliburton Field)
7,893 mi
12,702 km · 6,859 nm
15h 57m
estimated nonstop flight time
-8.5h
time difference · heading northwest
See live SXI→DUC fares Phone-only fares on this route — call free
Flight time details
7,893 miles nonstop takes roughly 15h 57m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8.5-hour time set-back when reading arrival times on your ticket.
The two airports
- SXI — Sirri Island Airport · Siri Island, Iran
- 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 SXI
- DXB · Dubai International Airport69 mi away
- AEU · Abu Musa Island Airport31 mi away
- BDH · Bandar Lengeh Airport47 mi away
- KIH · Kish International Airport55 mi away
Near DUC
Frequently asked questions
How far is SXI from DUC?
The flight distance from Siri Island (SXI) to Duncan (DUC) is 7,893 miles (12,702 km, 6,859 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SXI to DUC?
A nonstop flight takes about 15h 57m 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 Siri Island and Duncan?
Duncan is 8.5 hours behind Siri Island.
What is the cheapest way to fly from SXI to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SXI–DUC that never appear on search engines, with no booking fees.