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OSN to LGD: distance & flight time
Osan (Osan Air Base) → La Grande (La Grande/Union County Airport)
5,455 mi
8,778 km · 4,740 nm
11h 10m
estimated nonstop flight time
—
time difference · heading northeast
See live OSN→LGD fares Phone-only fares on this route — call free
Flight time details
5,455 miles nonstop takes roughly 11h 10m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- LGD — La Grande/Union County Airport · La Grande, 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 LGD
- BKE · Baker City Municipal Airport33 mi away
- PDT · Eastern Oregon Regional At Pendleton Airport49 mi away
- ALW · Walla Walla Regional Airport57 mi away
- PSC · Tri Cities Airport86 mi away
Frequently asked questions
How far is OSN from LGD?
The flight distance from Osan (OSN) to La Grande (LGD) is 5,455 miles (8,778 km, 4,740 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to LGD?
A nonstop flight takes about 11h 10m 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 cheapest way to fly from OSN to LGD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–LGD that never appear on search engines, with no booking fees.