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OSN to AHN: distance & flight time
Osan (Osan Air Base) → Athens (Athens Ben Epps Airport)
7,154 mi
11,514 km · 6,217 nm
14h 30m
estimated nonstop flight time
-13h
time difference · heading northeast
See live OSN→AHN fares Phone-only fares on this route — call free
Flight time details
7,154 miles nonstop takes roughly 14h 30m 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
- AHN — Athens Ben Epps Airport · Athens, 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 AHN
- WDR · Barrow County Airport20 mi away
- ATL · Hartsfield Jackson Atlanta International Airport67 mi away
- GVL · Lee Gilmer Memorial Airport36 mi away
- LZU · Gwinnett County Briscoe Field37 mi away
Frequently asked questions
How far is OSN from AHN?
The flight distance from Osan (OSN) to Athens (AHN) is 7,154 miles (11,514 km, 6,217 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to AHN?
A nonstop flight takes about 14h 30m 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 Athens?
Athens is 13 hours behind Osan.
What is the cheapest way to fly from OSN to AHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–AHN that never appear on search engines, with no booking fees.