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POW to SPF: distance & flight time
Portoroz (Portoroz Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
5,139 mi
8,270 km · 4,466 nm
10h 33m
estimated nonstop flight time
-8h
time difference · heading northwest
See live POW→SPF fares Phone-only fares on this route — call free
Flight time details
5,139 miles nonstop takes roughly 10h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- POW — Portoroz Airport · Portoroz, Slovenia
- 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 POW
- TRS · Trieste–Friuli Venezia Giulia Airport25 mi away
- PUY · Pula Airport43 mi away
- RJK · Rijeka Airport50 mi away
- VCE · Venice Marco Polo Airport61 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 POW from SPF?
The flight distance from Portoroz (POW) to Spearfish-South Dakota (SPF) is 5,139 miles (8,270 km, 4,466 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from POW to SPF?
A nonstop flight takes about 10h 33m 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 Portoroz and Spearfish-South Dakota?
Spearfish-South Dakota is 8 hours behind Portoroz.
What is the cheapest way to fly from POW to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on POW–SPF that never appear on search engines, with no booking fees.