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SPF to SXI: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Siri Island (Sirri Island Airport)
7,384 mi
11,884 km · 6,417 nm
14h 57m
estimated nonstop flight time
+9.5h
time difference · heading north
See live SPF→SXI fares Phone-only fares on this route — call free
Flight time details
7,384 miles nonstop takes roughly 14h 57m 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 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 SPF from SXI?
The flight distance from Spearfish-South Dakota (SPF) to Siri Island (SXI) is 7,384 miles (11,884 km, 6,417 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to SXI?
A nonstop flight takes about 14h 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 Spearfish-South Dakota and Siri Island?
Siri Island is 9.5 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to SXI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–SXI that never appear on search engines, with no booking fees.