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SPF to CJJ: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Chongju (Cheongju International Airport/Cheongju Air Base (K-59/G-513))
5,976 mi
9,618 km · 5,193 nm
12h 11m
estimated nonstop flight time
+15h
time difference · heading northwest
See live SPF→CJJ fares Phone-only fares on this route — call free
Flight time details
5,976 miles nonstop takes roughly 12h 11m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-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
- CJJ — Cheongju International Airport/Cheongju Air Base (K-59/G-513) · Chongju, South Korea
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 CJJ
- OSN · Osan Air Base37 mi away
- ICN · Incheon International Airport78 mi away
- SWU · Suwon Airport45 mi away
- YEC · Yecheon Airbase48 mi away
Frequently asked questions
How far is SPF from CJJ?
The flight distance from Spearfish-South Dakota (SPF) to Chongju (CJJ) is 5,976 miles (9,618 km, 5,193 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to CJJ?
A nonstop flight takes about 12h 11m 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 Chongju?
Chongju is 15 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to CJJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–CJJ that never appear on search engines, with no booking fees.