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VAS to OSN: distance & flight time
Sivas (Sivas Nuri Demirağ Airport) → Osan (Osan Air Base)
4,655 mi
7,491 km · 4,045 nm
9h 36m
estimated nonstop flight time
+6h
time difference · heading northeast
See live VAS→OSN fares Phone-only fares on this route — call free
Flight time details
4,655 miles nonstop takes roughly 9h 36m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- VAS — Sivas Nuri Demirağ Airport · Sivas, Turkey
- 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 VAS
- TJK · Tokat Airport44 mi away
- MZH · Amasya Merzifon Airport101 mi away
- SZF · Samsun Çarşamba Airport101 mi away
- OGU · Ordu Giresun Airport101 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 VAS from OSN?
The flight distance from Sivas (VAS) to Osan (OSN) is 4,655 miles (7,491 km, 4,045 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from VAS to OSN?
A nonstop flight takes about 9h 36m 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 Sivas and Osan?
Osan is 6 hours ahead of Sivas.
What is the cheapest way to fly from VAS to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on VAS–OSN that never appear on search engines, with no booking fees.