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CGZ to OSN: distance & flight time
Casa Grande (Casa Grande Municipal Airport) → Osan (Osan Air Base)
6,292 mi
10,127 km · 5,468 nm
12h 48m
estimated nonstop flight time
+16h
time difference · heading northwest
See live CGZ→OSN fares Phone-only fares on this route — call free
Flight time details
6,292 miles nonstop takes roughly 12h 48m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- CGZ — Casa Grande Municipal Airport · Casa Grande, United States
- 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 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
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 CGZ from OSN?
The flight distance from Casa Grande (CGZ) to Osan (OSN) 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 CGZ to OSN?
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 Casa Grande and Osan?
Osan is 16 hours ahead of Casa Grande.
What is the cheapest way to fly from CGZ to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CGZ–OSN that never appear on search engines, with no booking fees.