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OSN to ILG: distance & flight time
Osan (Osan Air Base) → Wilmington (New Castle Airport)
6,941 mi
11,171 km · 6,032 nm
14h 5m
estimated nonstop flight time
-13h
time difference · heading north
See live OSN→ILG 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 set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- ILG — New Castle Airport · Wilmington, 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 ILG
Frequently asked questions
How far is OSN from ILG?
The flight distance from Osan (OSN) to Wilmington (ILG) 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 OSN to ILG?
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.
Are there nonstop flights from OSN to ILG?
Nonstop service on OSN–ILG depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 14h 5m nonstop estimate.
What is the time difference between Osan and Wilmington?
Wilmington is 13 hours behind Osan.
What is the cheapest way to fly from OSN to ILG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–ILG that never appear on search engines, with no booking fees.
Why are some OSN to ILG fares phone-only?
Consolidator contracts let us sell certain OSN–ILG tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.