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CMJ to OSN: distance & flight time
Cimei (Chi Mei Airport) → Osan (Osan Air Base)
1,060 mi
1,706 km · 921 nm
2h 46m
estimated nonstop flight time
+1h
time difference · heading northeast
See live CMJ→OSN fares Phone-only fares on this route — call free
Flight time details
1,060 miles nonstop takes roughly 2h 46m gate to gate, flying northeast. 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
- CMJ — Chi Mei Airport · Cimei, Taiwan
- 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 CMJ
- WOT · Wang-an Airport12 mi away
- MZG · Makung Airport28 mi away
- TNN · Tainan Airport53 mi away
- CYI · Chiayi Airport64 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 CMJ from OSN?
The flight distance from Cimei (CMJ) to Osan (OSN) is 1,060 miles (1,706 km, 921 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMJ to OSN?
A nonstop flight takes about 2h 46m 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 Cimei and Osan?
Osan is 1 hour ahead of Cimei.
What is the cheapest way to fly from CMJ to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMJ–OSN that never appear on search engines, with no booking fees.