Need help booking?
Unpublished phone-only deals available
ILG to OSN: distance & flight time
Wilmington (New Castle Airport) → Osan (Osan Air Base)
6,941 mi
11,171 km · 6,032 nm
14h 5m
estimated nonstop flight time
+13h
time difference · heading north
See live ILG→OSN fares Phone-only fares on this route — call free
Flight time details
6,941 miles nonstop takes roughly 14h 5m 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
- ILG — New Castle Airport · Wilmington, 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 ILG
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 ILG from OSN?
The flight distance from Wilmington (ILG) to Osan (OSN) is 6,941 miles (11,171 km, 6,032 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ILG to OSN?
A nonstop flight takes about 14h 5m 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 Wilmington and Osan?
Osan is 13 hours ahead of Wilmington.
What is the cheapest way to fly from ILG to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ILG–OSN that never appear on search engines, with no booking fees.