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OSN to SFZ: distance & flight time
Osan (Osan Air Base) → Smithfield (North Central State Airport)
6,854 mi
11,030 km · 5,956 nm
13h 54m
estimated nonstop flight time
-13h
time difference · heading north
See live OSN→SFZ fares Phone-only fares on this route — call free
Flight time details
6,854 miles nonstop takes roughly 13h 54m 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
- SFZ — North Central State Airport · Smithfield, 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 SFZ
- BOS · General Edward Lawrence Logan International Airport39 mi away
- PVD · Theodore Francis Green State Airport14 mi away
- NCO · Quonset State Airport23 mi away
- OWD · Norwood Memorial Airport25 mi away
Frequently asked questions
How far is OSN from SFZ?
The flight distance from Osan (OSN) to Smithfield (SFZ) is 6,854 miles (11,030 km, 5,956 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to SFZ?
A nonstop flight takes about 13h 54m 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 Osan and Smithfield?
Smithfield is 13 hours behind Osan.
What is the cheapest way to fly from OSN to SFZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–SFZ that never appear on search engines, with no booking fees.