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OSN to DCY: distance & flight time
Osan (Osan Air Base) → Daocheng (Daocheng Yading Airport)
1,643 mi
2,643 km · 1,427 nm
3h 41m
estimated nonstop flight time
-1h
time difference · heading west
See live OSN→DCY fares Phone-only fares on this route — call free
Flight time details
1,643 miles nonstop takes roughly 3h 41m gate to gate, flying west. 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
- DCY — Daocheng Yading Airport · Daocheng, 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 DCY
- DIG · Diqing Airport108 mi away
- KGT · Kangding Airport116 mi away
- NLH · Ninglang Luguhu Airport130 mi away
Frequently asked questions
How far is OSN from DCY?
The flight distance from Osan (OSN) to Daocheng (DCY) is 1,643 miles (2,643 km, 1,427 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to DCY?
A nonstop flight takes about 3h 41m 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 Daocheng?
Daocheng is 1 hour behind Osan.
What is the cheapest way to fly from OSN to DCY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–DCY that never appear on search engines, with no booking fees.