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OSN to RSU: distance & flight time
Osan (Osan Air Base) → Yeosu (Yeosu Airport)
159 mi
256 km · 138 nm
53m
estimated nonstop flight time
Same time
time difference · heading south
See live OSN→RSU fares Phone-only fares on this route — call free
Flight time details
159 miles nonstop takes roughly 53m gate to gate, flying south. 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
- OSN — Osan Air Base · Osan, South Korea
- RSU — Yeosu Airport · Yeosu, 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 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
Near RSU
- HIN · Sacheon Air Base/Airport31 mi away
- KWJ · Gwangju Airport50 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)64 mi away
- MPK · Mokpo Heliport70 mi away
Frequently asked questions
How far is OSN from RSU?
The flight distance from Osan (OSN) to Yeosu (RSU) is 159 miles (256 km, 138 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to RSU?
A nonstop flight takes about 53m 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 OSN to RSU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–RSU that never appear on search engines, with no booking fees.