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CSX to OSN: distance & flight time
Changcha (Changsha Huanghua International Airport) → Osan (Osan Air Base)
1,010 mi
1,625 km · 878 nm
2h 40m
estimated nonstop flight time
+1h
time difference · heading northeast
See live CSX→OSN fares Phone-only fares on this route — call free
Flight time details
1,010 miles nonstop takes roughly 2h 40m gate to gate, flying northeast. 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
- CSX — Changsha Huanghua International Airport · Changcha, 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 CSX
- YIC · Yichun Mingyueshan Airport71 mi away
- HNY · Hengyang Nanyue Airport96 mi away
- CGD · Changde Airport108 mi away
- JGS · Jinggangshan Airport131 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 CSX from OSN?
The flight distance from Changcha (CSX) to Osan (OSN) is 1,010 miles (1,625 km, 878 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CSX to OSN?
A nonstop flight takes about 2h 40m 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 Changcha and Osan?
Osan is 1 hour ahead of Changcha.
What is the cheapest way to fly from CSX to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CSX–OSN that never appear on search engines, with no booking fees.