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ONQ to OSN: distance & flight time
Zonguldak (Zonguldak Airport) → Osan (Osan Air Base)
4,810 mi
7,742 km · 4,180 nm
9h 54m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ONQ→OSN fares Phone-only fares on this route — call free
Flight time details
4,810 miles nonstop takes roughly 9h 54m 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
- ONQ — Zonguldak Airport · Zonguldak, 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 ONQ
- KFS · Kastamonu Airport89 mi away
- ESB · Esenboğa International Airport106 mi away
- ANK · Etimesgut Air Base112 mi away
- KCO · Cengiz Topel Airport117 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 ONQ from OSN?
The flight distance from Zonguldak (ONQ) to Osan (OSN) is 4,810 miles (7,742 km, 4,180 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONQ to OSN?
A nonstop flight takes about 9h 54m 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 Zonguldak and Osan?
Osan is 6 hours ahead of Zonguldak.
What is the cheapest way to fly from ONQ to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONQ–OSN that never appear on search engines, with no booking fees.