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DCA to USN: distance & flight time
Washington (Ronald Reagan Washington National Airport) → Ulsan (Ulsan Airport)
7,024 mi
11,304 km · 6,104 nm
14h 14m
estimated nonstop flight time
+13h
time difference · heading north
See live DCA→USN fares Phone-only fares on this route — call free
Flight time details
7,024 miles nonstop takes roughly 14h 14m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- DCA — Ronald Reagan Washington National Airport · Washington, 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 DCA
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 DCA from USN?
The flight distance from Washington (DCA) to Ulsan (USN) is 7,024 miles (11,304 km, 6,104 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCA to USN?
A nonstop flight takes about 14h 14m 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 Washington and Ulsan?
Ulsan is 13 hours ahead of Washington.
What is the cheapest way to fly from DCA to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–USN that never appear on search engines, with no booking fees.