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NXX to OSN: distance & flight time
Willow Grove (Willow Grove Naval Air Station/Joint Reserve Base) → Osan (Osan Air Base)
6,915 mi
11,128 km · 6,009 nm
14h 1m
estimated nonstop flight time
+13h
time difference · heading north
See live NXX→OSN fares Phone-only fares on this route — call free
Flight time details
6,915 miles nonstop takes roughly 14h 1m 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
- NXX — Willow Grove Naval Air Station/Joint Reserve Base · Willow Grove, 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 NXX
- PHL · Philadelphia International Airport23 mi away
- BBX · Wings Field8 mi away
- DYL · Doylestown Airport9 mi away
- PNE · Northeast Philadelphia Airport11 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 NXX from OSN?
The flight distance from Willow Grove (NXX) to Osan (OSN) is 6,915 miles (11,128 km, 6,009 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NXX to OSN?
A nonstop flight takes about 14h 1m 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 Willow Grove and Osan?
Osan is 13 hours ahead of Willow Grove.
What is the cheapest way to fly from NXX to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NXX–OSN that never appear on search engines, with no booking fees.