Need help booking?
Unpublished phone-only deals available
OSN to CMJ: distance & flight time
Osan (Osan Air Base) → Cimei (Chi Mei Airport)
1,060 mi
1,706 km · 921 nm
2h 46m
estimated nonstop flight time
-1h
time difference · heading southwest
See live OSN→CMJ fares Phone-only fares on this route — call free
Flight time details
1,060 miles nonstop takes roughly 2h 46m gate to gate, flying southwest. 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
- CMJ — Chi Mei Airport · Cimei, Taiwan
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 CMJ
- WOT · Wang-an Airport12 mi away
- MZG · Makung Airport28 mi away
- TNN · Tainan Airport53 mi away
- CYI · Chiayi Airport64 mi away
Frequently asked questions
How far is OSN from CMJ?
The flight distance from Osan (OSN) to Cimei (CMJ) 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 OSN to CMJ?
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 Osan and Cimei?
Cimei is 1 hour behind Osan.
What is the cheapest way to fly from OSN to CMJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–CMJ that never appear on search engines, with no booking fees.