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MCK to OSN: distance & flight time
McCook (Mc Cook Ben Nelson Regional Airport) → Osan (Osan Air Base)
6,303 mi
10,143 km · 5,477 nm
12h 50m
estimated nonstop flight time
+14h
time difference · heading northwest
See live MCK→OSN fares Phone-only fares on this route — call free
Flight time details
6,303 miles nonstop takes roughly 12h 50m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- MCK — Mc Cook Ben Nelson Regional Airport · McCook, United States
- OSN — Osan Air Base · Osan, South Korea
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 MCK
- LXN · Jim Kelly Field59 mi away
- LBF · North Platte Regional Airport Lee Bird Field64 mi away
- HDE · Brewster Field68 mi away
- GLD · Renner Field-Goodland Municipal Airport82 mi away
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
Frequently asked questions
How far is MCK from OSN?
The flight distance from McCook (MCK) to Osan (OSN) is 6,303 miles (10,143 km, 5,477 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MCK to OSN?
A nonstop flight takes about 12h 50m 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 McCook and Osan?
Osan is 14 hours ahead of McCook.
What is the cheapest way to fly from MCK to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MCK–OSN that never appear on search engines, with no booking fees.