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BJC to USN: distance & flight time
Broomfield-CO (Rocky Mountain Metropolitan Airport) → Ulsan (Ulsan Airport)
6,175 mi
9,938 km · 5,366 nm
12h 34m
estimated nonstop flight time
+15h
time difference · heading northwest
See live BJC→USN fares Phone-only fares on this route — call free
Flight time details
6,175 miles nonstop takes roughly 12h 34m 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
- BJC — Rocky Mountain Metropolitan Airport · Broomfield-CO, 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 BJC
- DEN · Denver International Airport24 mi away
- WBU · Boulder Municipal Airport11 mi away
- BFK · Buckley Air Force Base24 mi away
- APA · Centennial Airport27 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 BJC from USN?
The flight distance from Broomfield-CO (BJC) to Ulsan (USN) is 6,175 miles (9,938 km, 5,366 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BJC to USN?
A nonstop flight takes about 12h 34m 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 Broomfield-CO and Ulsan?
Ulsan is 15 hours ahead of Broomfield-CO.
What is the cheapest way to fly from BJC to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BJC–USN that never appear on search engines, with no booking fees.