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OSN to CHS: distance & flight time
Osan (Osan Air Base) → Charleston (Charleston Air Force Base-International Airport)
7,296 mi
11,742 km · 6,340 nm
14h 46m
estimated nonstop flight time
-13h
time difference · heading northeast
See live OSN→CHS fares Phone-only fares on this route — call free
Flight time details
7,296 miles nonstop takes roughly 14h 46m gate to gate, flying northeast. 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
- CHS — Charleston Air Force Base-International Airport · Charleston, 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 CHS
- BFT · Beaufort County Airport48 mi away
- GGE · Georgetown County Airport51 mi away
- HHH · Hilton Head Airport60 mi away
- OGB · Orangeburg Municipal Airport61 mi away
Frequently asked questions
How far is OSN from CHS?
The flight distance from Osan (OSN) to Charleston (CHS) is 7,296 miles (11,742 km, 6,340 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to CHS?
A nonstop flight takes about 14h 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 Charleston?
Charleston is 13 hours behind Osan.
What is the cheapest way to fly from OSN to CHS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–CHS that never appear on search engines, with no booking fees.