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OSN to CEF: distance & flight time
Osan (Osan Air Base) → Chicopee Falls (Westover ARB/Metropolitan Airport)
6,822 mi
10,978 km · 5,928 nm
13h 51m
estimated nonstop flight time
-13h
time difference · heading north
See live OSN→CEF fares Phone-only fares on this route — call free
Flight time details
6,822 miles nonstop takes roughly 13h 51m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- CEF — Westover ARB/Metropolitan Airport · Chicopee Falls, United States
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 CEF
- BAF · Westfield-Barnes Regional Airport10 mi away
- BDL · Bradley International Airport19 mi away
- HFD · Hartford Brainard Airport32 mi away
- ORH · Worcester Regional Airport34 mi away
Frequently asked questions
How far is OSN from CEF?
The flight distance from Osan (OSN) to Chicopee Falls (CEF) is 6,822 miles (10,978 km, 5,928 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to CEF?
A nonstop flight takes about 13h 51m 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 Chicopee Falls?
Chicopee Falls is 13 hours behind Osan.
What is the cheapest way to fly from OSN to CEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–CEF that never appear on search engines, with no booking fees.