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RCA to USN: distance & flight time
Rapid City (Ellsworth Air Force Base) → Ulsan (Ulsan Airport)
6,021 mi
9,690 km · 5,232 nm
12h 16m
estimated nonstop flight time
+15h
time difference · heading northwest
See live RCA→USN fares Phone-only fares on this route — call free
Flight time details
6,021 miles nonstop takes roughly 12h 16m 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
- RCA — Ellsworth Air Force Base · Rapid City, 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 RCA
- RAP · Rapid City Regional Airport7 mi away
- SPF · Black Hills Airport-Clyde Ice Field41 mi away
- CDR · Chadron Municipal Airport90 mi away
- GCC · Gillette Campbell County Airport121 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 RCA from USN?
The flight distance from Rapid City (RCA) to Ulsan (USN) is 6,021 miles (9,690 km, 5,232 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RCA to USN?
A nonstop flight takes about 12h 16m 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 RCA to USN?
Nonstop service on RCA–USN 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 12h 16m nonstop estimate.
What is the time difference between Rapid City and Ulsan?
Ulsan is 15 hours ahead of Rapid City.
What is the cheapest way to fly from RCA to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RCA–USN that never appear on search engines, with no booking fees.
Why are some RCA to USN fares phone-only?
Consolidator contracts let us sell certain RCA–USN 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.