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OSN to CGZ: distance & flight time
Osan (Osan Air Base) → Casa Grande (Casa Grande Municipal Airport)
6,292 mi
10,127 km · 5,468 nm
12h 48m
estimated nonstop flight time
-16h
time difference · heading northeast
See live OSN→CGZ fares Phone-only fares on this route — call free
Flight time details
6,292 miles nonstop takes roughly 12h 48m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- CGZ — Casa Grande Municipal Airport · Casa Grande, 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 CGZ
- PHX · Phoenix Sky Harbor International Airport36 mi away
- AZA · Phoenix-Mesa-Gateway Airport25 mi away
- MSC · Falcon Field35 mi away
- MZJ · Pinal Airpark40 mi away
Frequently asked questions
How far is OSN from CGZ?
The flight distance from Osan (OSN) to Casa Grande (CGZ) is 6,292 miles (10,127 km, 5,468 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to CGZ?
A nonstop flight takes about 12h 48m 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 Casa Grande?
Casa Grande is 16 hours behind Osan.
What is the cheapest way to fly from OSN to CGZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–CGZ that never appear on search engines, with no booking fees.