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SPF to TKU: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Turku (Turku Airport)
4,575 mi
7,363 km · 3,976 nm
9h 26m
estimated nonstop flight time
+9h
time difference · heading northeast
See live SPF→TKU fares Phone-only fares on this route — call free
Flight time details
4,575 miles nonstop takes roughly 9h 26m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-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
- TKU — Turku Airport · Turku, Finland
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 TKU
- POR · Pori Airport67 mi away
- TMP · Tampere-Pirkkala Airport77 mi away
- MHQ · Mariehamn Airport85 mi away
- HYV · Hyvinkää Airfield89 mi away
Frequently asked questions
How far is SPF from TKU?
The flight distance from Spearfish-South Dakota (SPF) to Turku (TKU) is 4,575 miles (7,363 km, 3,976 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to TKU?
A nonstop flight takes about 9h 26m 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 Turku?
Turku is 9 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to TKU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–TKU that never appear on search engines, with no booking fees.