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WEF to OSN: distance & flight time
Weifang (Weifang Airport) → Osan (Osan Air Base)
438 mi
705 km · 381 nm
1h 25m
estimated nonstop flight time
+1h
time difference · heading east
See live WEF→OSN fares Phone-only fares on this route — call free
Flight time details
438 miles nonstop takes roughly 1h 25m gate to gate, flying east. 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
- WEF — Weifang Airport · Weifang, 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 WEF
- DOY · Dongying Shengli Airport62 mi away
- TAO · Liuting Airport75 mi away
- RIZ · Rizhao Shanzihe Airport87 mi away
- TNA · Yaoqiang Airport106 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 WEF from OSN?
The flight distance from Weifang (WEF) to Osan (OSN) is 438 miles (705 km, 381 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WEF to OSN?
A nonstop flight takes about 1h 25m 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 Weifang and Osan?
Osan is 1 hour ahead of Weifang.
What is the cheapest way to fly from WEF to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WEF–OSN that never appear on search engines, with no booking fees.