Need help booking?
Unpublished phone-only deals available
OSN to LLY: distance & flight time
Osan (Osan Air Base) → Mount Holly (South Jersey Regional Airport)
6,936 mi
11,163 km · 6,027 nm
14h 4m
estimated nonstop flight time
-13h
time difference · heading north
See live OSN→LLY fares Phone-only fares on this route — call free
Flight time details
6,936 miles nonstop takes roughly 14h 4m 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
- LLY — South Jersey Regional Airport · Mount Holly, 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 LLY
- PHL · Philadelphia International Airport22 mi away
- PNE · Northeast Philadelphia Airport13 mi away
- WRI · Mc Guire Air Force Base14 mi away
- TTN · Trenton Mercer Airport23 mi away
Frequently asked questions
How far is OSN from LLY?
The flight distance from Osan (OSN) to Mount Holly (LLY) is 6,936 miles (11,163 km, 6,027 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to LLY?
A nonstop flight takes about 14h 4m 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 LLY?
Nonstop service on OSN–LLY 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 4m nonstop estimate.
What is the time difference between Osan and Mount Holly?
Mount Holly is 13 hours behind Osan.
What is the cheapest way to fly from OSN to LLY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–LLY that never appear on search engines, with no booking fees.
Why are some OSN to LLY fares phone-only?
Consolidator contracts let us sell certain OSN–LLY 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.