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USN to RNT: distance & flight time
Ulsan (Ulsan Airport) → Renton (Renton Municipal Airport)
5,196 mi
8,363 km · 4,515 nm
10h 39m
estimated nonstop flight time
-16h
time difference · heading northeast
See live USN→RNT fares Phone-only fares on this route — call free
Flight time details
5,196 miles nonstop takes roughly 10h 39m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- RNT — Renton Municipal Airport · Renton, 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 RNT
Frequently asked questions
How far is USN from RNT?
The flight distance from Ulsan (USN) to Renton (RNT) is 5,196 miles (8,363 km, 4,515 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to RNT?
A nonstop flight takes about 10h 39m 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 Ulsan and Renton?
Renton is 16 hours behind Ulsan.
What is the cheapest way to fly from USN to RNT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–RNT that never appear on search engines, with no booking fees.