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RND to USN: distance & flight time
San Antonio (Randolph Air Force Base) → Ulsan (Ulsan Airport)
6,975 mi
11,225 km · 6,061 nm
14h 9m
estimated nonstop flight time
+14h
time difference · heading northwest
See live RND→USN fares Phone-only fares on this route — call free
Flight time details
6,975 miles nonstop takes roughly 14h 9m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- RND — Randolph Air Force Base · San Antonio, 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 RND
- SAT · San Antonio International Airport11 mi away
- SSF · Stinson Municipal Airport18 mi away
- AUS · Austin Bergstrom International Airport59 mi away
- SKF · Lackland Air Force Base21 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 RND from USN?
The flight distance from San Antonio (RND) to Ulsan (USN) is 6,975 miles (11,225 km, 6,061 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RND to USN?
A nonstop flight takes about 14h 9m 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 San Antonio and Ulsan?
Ulsan is 14 hours ahead of San Antonio.
What is the cheapest way to fly from RND to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RND–USN that never appear on search engines, with no booking fees.