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OSN to EWK: distance & flight time
Osan (Osan Air Base) → Newton (Newton City-County Airport)
6,526 mi
10,503 km · 5,671 nm
13h 16m
estimated nonstop flight time
-15h
time difference · heading northeast
See live OSN→EWK fares Phone-only fares on this route — call free
Flight time details
6,526 miles nonstop takes roughly 13h 16m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- EWK — Newton City-County Airport · Newton, 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 EWK
- BEC · Beech Factory Airport25 mi away
- ICT · Wichita Eisenhower National Airport30 mi away
- IAB · Mc Connell Air Force Base30 mi away
- HUT · Hutchinson Municipal Airport32 mi away
Frequently asked questions
How far is OSN from EWK?
The flight distance from Osan (OSN) to Newton (EWK) is 6,526 miles (10,503 km, 5,671 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to EWK?
A nonstop flight takes about 13h 16m 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 EWK?
Nonstop service on OSN–EWK 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 13h 16m nonstop estimate.
What is the time difference between Osan and Newton?
Newton is 15 hours behind Osan.
What is the cheapest way to fly from OSN to EWK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–EWK that never appear on search engines, with no booking fees.
Why are some OSN to EWK fares phone-only?
Consolidator contracts let us sell certain OSN–EWK 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.