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CEC to OSN: distance & flight time
Crescent City (Jack Mc Namara Field Airport) → Osan (Osan Air Base)
5,378 mi
8,655 km · 4,673 nm
11h 1m
estimated nonstop flight time
+16h
time difference · heading northwest
See live CEC→OSN fares Phone-only fares on this route — call free
Flight time details
5,378 miles nonstop takes roughly 11h 1m 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
- CEC — Jack Mc Namara Field Airport · Crescent City, 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 CEC
- ACV · California Redwood Coast-Humboldt County Airport56 mi away
- EKA · Murray Field68 mi away
- MFR · Rogue Valley International Medford Airport81 mi away
- OTH · Southwest Oregon Regional Airport113 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 CEC from OSN?
The flight distance from Crescent City (CEC) to Osan (OSN) is 5,378 miles (8,655 km, 4,673 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEC to OSN?
A nonstop flight takes about 11h 1m 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 Crescent City and Osan?
Osan is 16 hours ahead of Crescent City.
What is the cheapest way to fly from CEC to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEC–OSN that never appear on search engines, with no booking fees.