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OSN to LGB: distance & flight time
Osan (Osan Air Base) → Long Beach (Long Beach /Daugherty Field/ Airport)
5,991 mi
9,641 km · 5,206 nm
12h 13m
estimated nonstop flight time
-16h
time difference · heading northeast
See live OSN→LGB fares Phone-only fares on this route — call free
Flight time details
5,991 miles nonstop takes roughly 12h 13m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- LGB — Long Beach /Daugherty Field/ Airport · Long Beach, 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 LGB
- LAX · Los Angeles International Airport17 mi away
- FUL · Fullerton Municipal Airport11 mi away
- TOA · Zamperini Field11 mi away
- HHR · Jack Northrop Field Hawthorne Municipal Airport13 mi away
Frequently asked questions
How far is OSN from LGB?
The flight distance from Osan (OSN) to Long Beach (LGB) is 5,991 miles (9,641 km, 5,206 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to LGB?
A nonstop flight takes about 12h 13m 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 Long Beach?
Long Beach is 16 hours behind Osan.
What is the cheapest way to fly from OSN to LGB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–LGB that never appear on search engines, with no booking fees.