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OSN to TXN: distance & flight time
Osan (Osan Air Base) → Huangshan (Tunxi International Airport)
717 mi
1,153 km · 623 nm
2h 1m
estimated nonstop flight time
-1h
time difference · heading southwest
See live OSN→TXN fares Phone-only fares on this route — call free
Flight time details
717 miles nonstop takes roughly 2h 1m 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
- TXN — Tunxi International Airport · Huangshan, 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 TXN
- JUZ · Quzhou Airport66 mi away
- JDZ · Jingdezhen Airport70 mi away
- JUH · Jiuhuashan Airport77 mi away
- AQG · Anqing Tianzhushan Airport93 mi away
Frequently asked questions
How far is OSN from TXN?
The flight distance from Osan (OSN) to Huangshan (TXN) is 717 miles (1,153 km, 623 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to TXN?
A nonstop flight takes about 2h 1m 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 Huangshan?
Huangshan is 1 hour behind Osan.
What is the cheapest way to fly from OSN to TXN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–TXN that never appear on search engines, with no booking fees.