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EOK to SPF: distance & flight time
Keokuk (Keokuk Municipal Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
687 mi
1,106 km · 597 nm
1h 58m
estimated nonstop flight time
-1h
time difference · heading northwest
See live EOK→SPF fares Phone-only fares on this route — call free
Flight time details
687 miles nonstop takes roughly 1h 58m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- EOK — Keokuk Municipal Airport · Keokuk, United States
- 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 EOK
- BRL · Southeast Iowa Regional Airport27 mi away
- UIN · Quincy Regional Baldwin Field38 mi away
- GBG · Galesburg Municipal Airport62 mi away
- IRK · Kirksville Regional Airport64 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 EOK from SPF?
The flight distance from Keokuk (EOK) to Spearfish-South Dakota (SPF) is 687 miles (1,106 km, 597 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EOK to SPF?
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 Keokuk and Spearfish-South Dakota?
Spearfish-South Dakota is 1 hour behind Keokuk.
What is the cheapest way to fly from EOK to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EOK–SPF that never appear on search engines, with no booking fees.