Need help booking?
Unpublished phone-only deals available
PWK to OSN: distance & flight time
Chicago-Wheeling (Chicago Executive Airport) → Osan (Osan Air Base)
6,538 mi
10,522 km · 5,682 nm
13h 17m
estimated nonstop flight time
+14h
time difference · heading northwest
See live PWK→OSN fares Phone-only fares on this route — call free
Flight time details
6,538 miles nonstop takes roughly 13h 17m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- PWK — Chicago Executive Airport · Chicago-Wheeling, 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 PWK
- ORD · Chicago O'Hare International Airport9 mi away
- UGN · Waukegan National Airport21 mi away
- DPA · Dupage Airport23 mi away
- CGX · Chicago Meigs Airport23 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 PWK from OSN?
The flight distance from Chicago-Wheeling (PWK) to Osan (OSN) is 6,538 miles (10,522 km, 5,682 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PWK to OSN?
A nonstop flight takes about 13h 17m 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 Chicago-Wheeling and Osan?
Osan is 14 hours ahead of Chicago-Wheeling.
What is the cheapest way to fly from PWK to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PWK–OSN that never appear on search engines, with no booking fees.