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CGO to OSN: distance & flight time
Zhengzhou (Zhengzhou Xinzheng International Airport) → Osan (Osan Air Base)
759 mi
1,222 km · 660 nm
2h 7m
estimated nonstop flight time
+1h
time difference · heading east
See live CGO→OSN fares Phone-only fares on this route — call free
Flight time details
759 miles nonstop takes roughly 2h 7m 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
- CGO — Zhengzhou Xinzheng International Airport · Zhengzhou, 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 CGO
- LYA · Luoyang Airport84 mi away
- CIH · Changzhi Airport126 mi away
- NNY · Nanyang Jiangying Airport128 mi away
- HDG · Handan Airport142 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 CGO from OSN?
The flight distance from Zhengzhou (CGO) to Osan (OSN) is 759 miles (1,222 km, 660 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CGO to OSN?
A nonstop flight takes about 2h 7m 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 Zhengzhou and Osan?
Osan is 1 hour ahead of Zhengzhou.
What is the cheapest way to fly from CGO to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CGO–OSN that never appear on search engines, with no booking fees.