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SPF to ISW: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Wisconsin Rapids (Alexander Field South Wood County Airport)
687 mi
1,106 km · 597 nm
1h 58m
estimated nonstop flight time
+1h
time difference · heading east
See live SPF→ISW fares Phone-only fares on this route — call free
Flight time details
687 miles nonstop takes roughly 1h 58m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-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
- ISW — Alexander Field South Wood County Airport · Wisconsin Rapids, 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 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 ISW
- STE · Stevens Point Municipal Airport20 mi away
- MFI · Marshfield Municipal Airport26 mi away
- CWA · Central Wisconsin Airport30 mi away
- VOK · Volk Field36 mi away
Frequently asked questions
How far is SPF from ISW?
The flight distance from Spearfish-South Dakota (SPF) to Wisconsin Rapids (ISW) is 687 miles (1,106 km, 597 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to ISW?
A nonstop flight takes about 1h 58m 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 Wisconsin Rapids?
Wisconsin Rapids is 1 hour ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to ISW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–ISW that never appear on search engines, with no booking fees.