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CHA to OSN: distance & flight time
Chattanooga (Lovell Field) → Osan (Osan Air Base)
7,041 mi
11,331 km · 6,118 nm
14h 16m
estimated nonstop flight time
+13h
time difference · heading northwest
See live CHA→OSN fares Phone-only fares on this route — call free
Flight time details
7,041 miles nonstop takes roughly 14h 16m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- CHA — Lovell Field · Chattanooga, 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 CHA
- APT · Marion County Brown Field22 mi away
- HDI · Hardwick Field25 mi away
- DNN · Dalton Municipal Airport29 mi away
- UOS · Franklin County Airport41 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 CHA from OSN?
The flight distance from Chattanooga (CHA) to Osan (OSN) is 7,041 miles (11,331 km, 6,118 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CHA to OSN?
A nonstop flight takes about 14h 16m 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 Chattanooga and Osan?
Osan is 13 hours ahead of Chattanooga.
What is the cheapest way to fly from CHA to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CHA–OSN that never appear on search engines, with no booking fees.