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CPR to USN: distance & flight time
Casper (Casper-Natrona County International Airport) → Ulsan (Ulsan Airport)
5,974 mi
9,615 km · 5,192 nm
12h 11m
estimated nonstop flight time
+15h
time difference · heading northwest
See live CPR→USN fares Phone-only fares on this route — call free
Flight time details
5,974 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
- CPR — Casper-Natrona County International Airport · Casper, United States
- USN — Ulsan Airport · Ulsan, 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 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
Near USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
Frequently asked questions
How far is CPR from USN?
The flight distance from Casper (CPR) to Ulsan (USN) is 5,974 miles (9,615 km, 5,192 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to USN?
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 Casper and Ulsan?
Ulsan is 15 hours ahead of Casper.
What is the cheapest way to fly from CPR to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–USN that never appear on search engines, with no booking fees.