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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–VAS that never appear on search engines, with no booking fees.