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OSN to STJ: distance & flight time
Osan (Osan Air Base) → Rosecrans (Rosecrans Memorial Airport)
6,497 mi
10,455 km · 5,645 nm
13h 12m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OSN→STJ fares Phone-only fares on this route — call free
Flight time details
6,497 miles nonstop takes roughly 13h 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
- STJ — Rosecrans Memorial Airport · Rosecrans, 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 STJ
- FLV · Sherman Army Air Field28 mi away
- MCI · Kansas City International Airport34 mi away
- MKC · Charles B. Wheeler Downtown Airport48 mi away
- LWC · Lawrence Municipal Airport55 mi away
Frequently asked questions
How far is OSN from STJ?
The flight distance from Osan (OSN) to Rosecrans (STJ) is 6,497 miles (10,455 km, 5,645 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to STJ?
A nonstop flight takes about 13h 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 STJ?
Nonstop service on OSN–STJ 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 12m nonstop estimate.
What is the time difference between Osan and Rosecrans?
Rosecrans is 14 hours behind Osan.
What is the cheapest way to fly from OSN to STJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–STJ that never appear on search engines, with no booking fees.
Why are some OSN to STJ fares phone-only?
Consolidator contracts let us sell certain OSN–STJ 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.