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RND to OSN: distance & flight time
San Antonio (Randolph Air Force Base) → Osan (Osan Air Base)
6,979 mi
11,231 km · 6,064 nm
14h 9m
estimated nonstop flight time
+14h
time difference · heading northwest
See live RND→OSN fares Phone-only fares on this route — call free
Flight time details
6,979 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
- OSN — Osan Air Base · Osan, 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 OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is RND from OSN?
The flight distance from San Antonio (RND) to Osan (OSN) is 6,979 miles (11,231 km, 6,064 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RND to OSN?
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 Osan?
Osan is 14 hours ahead of San Antonio.
What is the cheapest way to fly from RND to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RND–OSN that never appear on search engines, with no booking fees.