Need help booking?
Unpublished phone-only deals available
SPF to RAS: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Rasht (Sardar-e-Jangal Airport)
6,545 mi
10,534 km · 5,688 nm
13h 18m
estimated nonstop flight time
+9.5h
time difference · heading north
See live SPF→RAS fares Phone-only fares on this route — call free
Flight time details
6,545 miles nonstop takes roughly 13h 18m 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
- RAS — Sardar-e-Jangal Airport · Rasht, 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 RAS
- RZR · Ramsar Airport65 mi away
- GZW · Qazvin Airport79 mi away
- JWN · Zanjan Airport79 mi away
- ADU · Ardabil Airport95 mi away
Frequently asked questions
How far is SPF from RAS?
The flight distance from Spearfish-South Dakota (SPF) to Rasht (RAS) is 6,545 miles (10,534 km, 5,688 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to RAS?
A nonstop flight takes about 13h 18m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SPF to RAS?
Nonstop service on SPF–RAS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 13h 18m nonstop estimate.
What is the time difference between Spearfish-South Dakota and Rasht?
Rasht is 9.5 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to RAS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–RAS that never appear on search engines, with no booking fees.
Why are some SPF to RAS fares phone-only?
Consolidator contracts let us sell certain SPF–RAS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.