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FSI to SXI: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Siri Island (Sirri Island Airport)
7,893 mi
12,703 km · 6,859 nm
15h 57m
estimated nonstop flight time
+8.5h
time difference · heading northeast
See live FSI→SXI fares Phone-only fares on this route — call free
Flight time details
7,893 miles nonstop takes roughly 15h 57m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8.5-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- SXI — Sirri Island Airport · Siri Island, Iran
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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
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
Frequently asked questions
How far is FSI from SXI?
The flight distance from Fort Sill (FSI) to Siri Island (SXI) is 7,893 miles (12,703 km, 6,859 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to SXI?
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 Fort Sill and Siri Island?
Siri Island is 8.5 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to SXI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–SXI that never appear on search engines, with no booking fees.