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OSN to ASB: distance & flight time
Osan (Osan Air Base) → Ashkhabad (Ashgabat International Airport)
3,672 mi
5,909 km · 3,191 nm
7h 40m
estimated nonstop flight time
-4h
time difference · heading northwest
See live OSN→ASB fares Phone-only fares on this route — call free
Flight time details
3,672 miles nonstop takes roughly 7h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- ASB — Ashgabat International Airport · Ashkhabad, Turkmenistan
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 ASB
- BJB · Bojnord Airport67 mi away
- AFZ · Sabzevar National Airport133 mi away
- MHD · Mashhad International Airport140 mi away
Frequently asked questions
How far is OSN from ASB?
The flight distance from Osan (OSN) to Ashkhabad (ASB) is 3,672 miles (5,909 km, 3,191 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to ASB?
A nonstop flight takes about 7h 40m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from OSN to ASB?
Nonstop service on OSN–ASB depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 7h 40m nonstop estimate.
What is the time difference between Osan and Ashkhabad?
Ashkhabad is 4 hours behind Osan.
What is the cheapest way to fly from OSN to ASB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–ASB that never appear on search engines, with no booking fees.
Why are some OSN to ASB fares phone-only?
Consolidator contracts let us sell certain OSN–ASB tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.