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DEF to SPF: distance & flight time
Dezful (Dezful Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
6,842 mi
11,011 km · 5,945 nm
13h 53m
estimated nonstop flight time
-9.5h
time difference · heading north
See live DEF→SPF fares Phone-only fares on this route — call free
Flight time details
6,842 miles nonstop takes roughly 13h 53m 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 set-back when reading arrival times on your ticket.
The two airports
- DEF — Dezful Airport · Dezful, Iran
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
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
Frequently asked questions
How far is DEF from SPF?
The flight distance from Dezful (DEF) to Spearfish-South Dakota (SPF) is 6,842 miles (11,011 km, 5,945 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEF to SPF?
A nonstop flight takes about 13h 53m 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 Dezful and Spearfish-South Dakota?
Spearfish-South Dakota is 9.5 hours behind Dezful.
What is the cheapest way to fly from DEF to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEF–SPF that never appear on search engines, with no booking fees.