Need help booking?

Unpublished phone-only deals available

CIH to OSN: distance & flight time

Changzhi (Changzhi Airport) → Osan (Osan Air Base)

772 mi
1,243 km · 671 nm
2h 9m
estimated nonstop flight time
+1h
time difference · heading east
See live CIHOSN fares Phone-only fares on this route — call free

Flight time details

772 miles nonstop takes roughly 2h 9m 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

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.

Frequently asked questions

How far is CIH from OSN?

The flight distance from Changzhi (CIH) to Osan (OSN) is 772 miles (1,243 km, 671 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from CIH to OSN?

A nonstop flight takes about 2h 9m 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 Changzhi and Osan?

Osan is 1 hour ahead of Changzhi.

What is the cheapest way to fly from CIH to OSN?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CIH–OSN that never appear on search engines, with no booking fees.
Keep exploring:OSN to CIH Airports near CIH Airports near OSN Time difference CIHOSN Distance calculator