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USN to EOK: distance & flight time
Ulsan (Ulsan Airport) → Keokuk (Keokuk Municipal Airport)
6,578 mi
10,587 km · 5,716 nm
13h 22m
estimated nonstop flight time
-14h
time difference · heading northeast
See live USN→EOK fares Phone-only fares on this route — call free
Flight time details
6,578 miles nonstop takes roughly 13h 22m 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
- USN — Ulsan Airport · Ulsan, South Korea
- EOK — Keokuk Municipal Airport · Keokuk, 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 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
Near EOK
- BRL · Southeast Iowa Regional Airport27 mi away
- UIN · Quincy Regional Baldwin Field38 mi away
- GBG · Galesburg Municipal Airport62 mi away
- IRK · Kirksville Regional Airport64 mi away
Frequently asked questions
How far is USN from EOK?
The flight distance from Ulsan (USN) to Keokuk (EOK) is 6,578 miles (10,587 km, 5,716 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to EOK?
A nonstop flight takes about 13h 22m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from USN to EOK?
Nonstop service on USN–EOK depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 13h 22m nonstop estimate.
What is the time difference between Ulsan and Keokuk?
Keokuk is 14 hours behind Ulsan.
What is the cheapest way to fly from USN to EOK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–EOK that never appear on search engines, with no booking fees.
Why are some USN to EOK fares phone-only?
Consolidator contracts let us sell certain USN–EOK tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.