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RHV to USN: distance & flight time
San Jose (Reid-Hillview Airport of Santa Clara County) → Ulsan (Ulsan Airport)
5,645 mi
9,085 km · 4,906 nm
11h 32m
estimated nonstop flight time
—
time difference · heading northwest
See live RHV→USN fares Phone-only fares on this route — call free
Flight time details
5,645 miles nonstop takes roughly 11h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- RHV — Reid-Hillview Airport of Santa Clara County · San Jose, 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 RHV
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 RHV from USN?
The flight distance from San Jose (RHV) to Ulsan (USN) is 5,645 miles (9,085 km, 4,906 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RHV to USN?
A nonstop flight takes about 11h 32m 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 cheapest way to fly from RHV to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RHV–USN that never appear on search engines, with no booking fees.