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SPF to CWI: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Clinton (Clinton Municipal Airport)
701 mi
1,129 km · 610 nm
1h 59m
estimated nonstop flight time
+1h
time difference · heading east
See live SPF→CWI fares Phone-only fares on this route — call free
Flight time details
701 miles nonstop takes roughly 1h 59m 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
- CWI — Clinton Municipal Airport · Clinton, 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 CWI
- MLI · Quad City International Airport28 mi away
- DBQ · Dubuque Regional Airport44 mi away
- GBG · Galesburg Municipal Airport62 mi away
- IOW · Iowa City Municipal Airport64 mi away
Frequently asked questions
How far is SPF from CWI?
The flight distance from Spearfish-South Dakota (SPF) to Clinton (CWI) is 701 miles (1,129 km, 610 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to CWI?
A nonstop flight takes about 1h 59m 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 Clinton?
Clinton is 1 hour ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to CWI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–CWI that never appear on search engines, with no booking fees.