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UNA to OSN: distance & flight time
Una (Hotel Transamérica Airport) → Osan (Osan Air Base)
10,708 mi
17,233 km · 9,305 nm
21h 28m
estimated nonstop flight time
+12h
time difference · heading northeast
See live UNA→OSN fares Phone-only fares on this route — call free
Flight time details
10,708 miles nonstop takes roughly 21h 28m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- UNA — Hotel Transamérica Airport · Una, Brazil
- 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 UNA
- IOS · Bahia - Jorge Amado Airport37 mi away
- BPS · Porto Seguro Airport75 mi away
- VDC · Vitória da Conquista Airport129 mi away
- VAL · Valença Airport142 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 UNA from OSN?
The flight distance from Una (UNA) to Osan (OSN) is 10,708 miles (17,233 km, 9,305 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UNA to OSN?
A nonstop flight takes about 21h 28m 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 Una and Osan?
Osan is 12 hours ahead of Una.
What is the cheapest way to fly from UNA to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UNA–OSN that never appear on search engines, with no booking fees.