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OSN to AHJ: distance & flight time
Osan (Osan Air Base) → Ngawa (Hongyuan Airport)
1,431 mi
2,302 km · 1,243 nm
3h 35m
estimated nonstop flight time
—
time difference · heading west
See live OSN→AHJ fares Phone-only fares on this route — call free
Flight time details
1,431 miles nonstop takes roughly 3h 35m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- AHJ — Hongyuan Airport · Ngawa, 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 AHJ
- JZH · Jiuzhai Huanglong Airport80 mi away
Frequently asked questions
How far is OSN from AHJ?
The flight distance from Osan (OSN) to Ngawa (AHJ) is 1,431 miles (2,302 km, 1,243 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to AHJ?
A nonstop flight takes about 3h 35m 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 cheapest way to fly from OSN to AHJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–AHJ that never appear on search engines, with no booking fees.