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OSN to LDM: distance & flight time
Osan (Osan Air Base) → Ludington (Mason County Airport)
6,458 mi
10,393 km · 5,612 nm
13h 8m
estimated nonstop flight time
—
time difference · heading northeast
See live OSN→LDM fares Phone-only fares on this route — call free
Flight time details
6,458 miles nonstop takes roughly 13h 8m 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
- LDM — Mason County Airport · Ludington, 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 LDM
- MBL · Manistee Co Blacker Airport23 mi away
- MKG · Muskegon County Airport55 mi away
- TVC · Cherry Capital Airport68 mi away
- SBM · Sheboygan County Memorial Airport73 mi away
Frequently asked questions
How far is OSN from LDM?
The flight distance from Osan (OSN) to Ludington (LDM) is 6,458 miles (10,393 km, 5,612 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to LDM?
A nonstop flight takes about 13h 8m 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 LDM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–LDM that never appear on search engines, with no booking fees.