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OSN to JMS: distance & flight time
Osan (Osan Air Base) → Jamestown (Jamestown Regional Airport)
5,980 mi
9,624 km · 5,197 nm
12h 12m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OSN→JMS fares Phone-only fares on this route — call free
Flight time details
5,980 miles nonstop takes roughly 12h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- JMS — Jamestown Regional Airport · Jamestown, 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 JMS
- DVL · Devils Lake Regional Airport83 mi away
- FAR · Hector International Airport88 mi away
- RDR · Grand Forks Air Force Base93 mi away
- BIS · Bismarck Municipal Airport98 mi away
Frequently asked questions
How far is OSN from JMS?
The flight distance from Osan (OSN) to Jamestown (JMS) is 5,980 miles (9,624 km, 5,197 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to JMS?
A nonstop flight takes about 12h 12m 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 JMS?
Nonstop service on OSN–JMS 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 12h 12m nonstop estimate.
What is the time difference between Osan and Jamestown?
Jamestown is 14 hours behind Osan.
What is the cheapest way to fly from OSN to JMS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–JMS that never appear on search engines, with no booking fees.
Why are some OSN to JMS fares phone-only?
Consolidator contracts let us sell certain OSN–JMS 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.