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SSN to NXX: distance & flight time
Seoul East (Seoul Air Base (K-16)) → Willow Grove (Willow Grove Naval Air Station/Joint Reserve Base)
6,890 mi
11,088 km · 5,987 nm
13h 59m
estimated nonstop flight time
-13h
time difference · heading north
See live SSN→NXX fares Phone-only fares on this route — call free
Flight time details
6,890 miles nonstop takes roughly 13h 59m 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
- SSN — Seoul Air Base (K-16) · Seoul East, South Korea
- NXX — Willow Grove Naval Air Station/Joint Reserve Base · Willow Grove, 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 SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
Near NXX
- PHL · Philadelphia International Airport23 mi away
- BBX · Wings Field8 mi away
- DYL · Doylestown Airport9 mi away
- PNE · Northeast Philadelphia Airport11 mi away
Frequently asked questions
How far is SSN from NXX?
The flight distance from Seoul East (SSN) to Willow Grove (NXX) is 6,890 miles (11,088 km, 5,987 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SSN to NXX?
A nonstop flight takes about 13h 59m 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 Seoul East and Willow Grove?
Willow Grove is 13 hours behind Seoul East.
What is the cheapest way to fly from SSN to NXX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SSN–NXX that never appear on search engines, with no booking fees.