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WJU to CPR: distance & flight time
Wonju (Wonju/Hoengseong Air Base (K-38/K-46)) → Casper (Casper-Natrona County International Airport)
5,919 mi
9,525 km · 5,143 nm
12h 4m
estimated nonstop flight time
-15h
time difference · heading northeast
See live WJU→CPR fares Phone-only fares on this route — call free
Flight time details
5,919 miles nonstop takes roughly 12h 4m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- WJU — Wonju/Hoengseong Air Base (K-38/K-46) · Wonju, South Korea
- CPR — Casper-Natrona County International Airport · Casper, 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 WJU
- ICN · Incheon International Airport83 mi away
- SSN · Seoul Air Base (K-16)47 mi away
- SWU · Suwon Airport54 mi away
- CJJ · Cheongju International Airport/Cheongju Air Base (K-59/G-513)56 mi away
Near CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 mi away
Frequently asked questions
How far is WJU from CPR?
The flight distance from Wonju (WJU) to Casper (CPR) is 5,919 miles (9,525 km, 5,143 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WJU to CPR?
A nonstop flight takes about 12h 4m 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 Wonju and Casper?
Casper is 15 hours behind Wonju.
What is the cheapest way to fly from WJU to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WJU–CPR that never appear on search engines, with no booking fees.