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WJU to ISN: distance & flight time
Wonju (Wonju/Hoengseong Air Base (K-38/K-46)) → Williston (Sloulin Field International Airport)
5,725 mi
9,214 km · 4,975 nm
11h 42m
estimated nonstop flight time
-14h
time difference · heading northeast
See live WJU→ISN fares Phone-only fares on this route — call free
Flight time details
5,725 miles nonstop takes roughly 11h 42m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-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
- ISN — Sloulin Field International Airport · Williston, 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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is WJU from ISN?
The flight distance from Wonju (WJU) to Williston (ISN) is 5,725 miles (9,214 km, 4,975 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WJU to ISN?
A nonstop flight takes about 11h 42m 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 Williston?
Williston is 14 hours behind Wonju.
What is the cheapest way to fly from WJU to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WJU–ISN that never appear on search engines, with no booking fees.