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THR to SPF: distance & flight time
Teheran (Mehrabad International Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
6,682 mi
10,754 km · 5,807 nm
13h 34m
estimated nonstop flight time
-9.5h
time difference · heading north
See live THR→SPF fares Phone-only fares on this route — call free
Flight time details
6,682 miles nonstop takes roughly 13h 34m 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
- THR — Mehrabad International Airport · Teheran, 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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 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 THR from SPF?
The flight distance from Teheran (THR) to Spearfish-South Dakota (SPF) is 6,682 miles (10,754 km, 5,807 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to SPF?
A nonstop flight takes about 13h 34m 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 Teheran and Spearfish-South Dakota?
Spearfish-South Dakota is 9.5 hours behind Teheran.
What is the cheapest way to fly from THR to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–SPF that never appear on search engines, with no booking fees.