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YSM to SXI: distance & flight time
Fort Smith (Fort Smith Airport) → Siri Island (Sirri Island Airport)
6,450 mi
10,381 km · 5,605 nm
13h 7m
estimated nonstop flight time
+9.5h
time difference · heading north
See live YSM→SXI fares Phone-only fares on this route — call free
Flight time details
6,450 miles nonstop takes roughly 13h 7m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- YSM — Fort Smith Airport · Fort Smith, Canada
- 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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 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 YSM from SXI?
The flight distance from Fort Smith (YSM) to Siri Island (SXI) is 6,450 miles (10,381 km, 5,605 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to SXI?
A nonstop flight takes about 13h 7m 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 Smith and Siri Island?
Siri Island is 9.5 hours ahead of Fort Smith.
What is the cheapest way to fly from YSM to SXI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–SXI that never appear on search engines, with no booking fees.