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NBS to OSN: distance & flight time
Baishan (Changbaishan Airport) → Osan (Osan Air Base)
345 mi
556 km · 300 nm
1h 23m
estimated nonstop flight time
+1h
time difference · heading south
See live NBS→OSN fares Phone-only fares on this route — call free
Flight time details
345 miles nonstop takes roughly 1h 23m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- NBS — Changbaishan Airport · Baishan, China
- 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 NBS
- TNH · Tonghua Sanyuanpu Airport98 mi away
- YNJ · Yanji Chaoyangchuan Airport110 mi away
- RGO · Orang Airport114 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 NBS from OSN?
The flight distance from Baishan (NBS) to Osan (OSN) is 345 miles (556 km, 300 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NBS to OSN?
A nonstop flight takes about 1h 23m 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 Baishan and Osan?
Osan is 1 hour ahead of Baishan.
What is the cheapest way to fly from NBS to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NBS–OSN that never appear on search engines, with no booking fees.