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INT to OSN: distance & flight time
Winston-salem (Smith Reynolds Airport) → Osan (Osan Air Base)
7,085 mi
11,402 km · 6,157 nm
14h 22m
estimated nonstop flight time
+13h
time difference · heading north
See live INT→OSN fares Phone-only fares on this route — call free
Flight time details
7,085 miles nonstop takes roughly 14h 22m gate to gate, flying north. 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
- INT — Smith Reynolds Airport · Winston-salem, 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 INT
- GSO · Piedmont Triad International Airport16 mi away
- CLT · Charlotte Douglas International Airport75 mi away
- SVH · Statesville Regional Airport48 mi away
- IKB · Wilkes County Airport49 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 INT from OSN?
The flight distance from Winston-salem (INT) to Osan (OSN) is 7,085 miles (11,402 km, 6,157 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INT to OSN?
A nonstop flight takes about 14h 22m 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 Winston-salem and Osan?
Osan is 13 hours ahead of Winston-salem.
What is the cheapest way to fly from INT to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INT–OSN that never appear on search engines, with no booking fees.