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OSN to SOF: distance & flight time
Osan (Osan Air Base) → Sofia (Sofia Airport)
5,132 mi
8,260 km · 4,460 nm
10h 32m
estimated nonstop flight time
-6h
time difference · heading northwest
See live OSN→SOF fares Phone-only fares on this route — call free
Flight time details
5,132 miles nonstop takes roughly 10h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- SOF — Sofia Airport · Sofia, Bulgaria
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 SOF
- PDV · Plovdiv International Airport85 mi away
- INI · Nis Airport90 mi away
- SKP · Skopje Alexander the Great Airport105 mi away
- CRA · Craiova Airport115 mi away
Frequently asked questions
How far is OSN from SOF?
The flight distance from Osan (OSN) to Sofia (SOF) is 5,132 miles (8,260 km, 4,460 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to SOF?
A nonstop flight takes about 10h 32m 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 Sofia?
Sofia is 6 hours behind Osan.
What is the cheapest way to fly from OSN to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–SOF that never appear on search engines, with no booking fees.