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OJC to USN: distance & flight time
Olathe (Johnson County Executive Airport) → Ulsan (Ulsan Airport)
6,574 mi
10,580 km · 5,713 nm
13h 21m
estimated nonstop flight time
+14h
time difference · heading northwest
See live OJC→USN fares Phone-only fares on this route — call free
Flight time details
6,574 miles nonstop takes roughly 13h 21m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- OJC — Johnson County Executive Airport · Olathe, 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 OJC
- JCI · New Century Aircenter Airport8 mi away
- MKC · Charles B. Wheeler Downtown Airport21 mi away
- LWC · Lawrence Municipal Airport28 mi away
- MCI · Kansas City International Airport31 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 OJC from USN?
The flight distance from Olathe (OJC) to Ulsan (USN) is 6,574 miles (10,580 km, 5,713 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OJC to USN?
A nonstop flight takes about 13h 21m 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 Olathe and Ulsan?
Ulsan is 14 hours ahead of Olathe.
What is the cheapest way to fly from OJC to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OJC–USN that never appear on search engines, with no booking fees.