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SPF to IIL: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Ilam (Ilam Airport)
6,727 mi
10,826 km · 5,846 nm
13h 39m
estimated nonstop flight time
+9.5h
time difference · heading northeast
See live SPF→IIL fares Phone-only fares on this route — call free
Flight time details
6,727 miles nonstop takes roughly 13h 39m gate to gate, flying northeast. 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
- IIL — Ilam Airport · Ilam, 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 IIL
- KSH · Shahid Ashrafi Esfahani Airport68 mi away
- KHD · Khoram Abad Airport109 mi away
- SDG · Sanandaj Airport120 mi away
- XQC · Joint Base Balad120 mi away
Frequently asked questions
How far is SPF from IIL?
The flight distance from Spearfish-South Dakota (SPF) to Ilam (IIL) is 6,727 miles (10,826 km, 5,846 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to IIL?
A nonstop flight takes about 13h 39m 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 Ilam?
Ilam is 9.5 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to IIL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–IIL that never appear on search engines, with no booking fees.