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OSN to YNZ: distance & flight time
Osan (Osan Air Base) → Yancheng (Yancheng Airport)
461 mi
741 km · 400 nm
1h 28m
estimated nonstop flight time
-1h
time difference · heading southwest
See live OSN→YNZ fares Phone-only fares on this route — call free
Flight time details
461 miles nonstop takes roughly 1h 28m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- YNZ — Yancheng Airport · Yancheng, China
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 YNZ
- YTY · Yangzhou Taizhou Airport66 mi away
- HIA · Lianshui Airport67 mi away
- RUG · Rugao Air Base83 mi away
- CZX · Changzhou Benniu Airport107 mi away
Frequently asked questions
How far is OSN from YNZ?
The flight distance from Osan (OSN) to Yancheng (YNZ) is 461 miles (741 km, 400 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to YNZ?
A nonstop flight takes about 1h 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 Osan and Yancheng?
Yancheng is 1 hour behind Osan.
What is the cheapest way to fly from OSN to YNZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–YNZ that never appear on search engines, with no booking fees.