Need help booking?
Unpublished phone-only deals available
SZL to OSN: distance & flight time
Knobnoster (Whiteman Air Force Base) → Osan (Osan Air Base)
6,596 mi
10,616 km · 5,732 nm
13h 24m
estimated nonstop flight time
+14h
time difference · heading northwest
See live SZL→OSN fares Phone-only fares on this route — call free
Flight time details
6,596 miles nonstop takes roughly 13h 24m 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
- SZL — Whiteman Air Force Base · Knobnoster, 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 SZL
- MKC · Charles B. Wheeler Downtown Airport62 mi away
- OJC · Johnson County Executive Airport65 mi away
- AIZ · Lee C Fine Memorial Airport70 mi away
- COU · Columbia Regional Airport72 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 SZL from OSN?
The flight distance from Knobnoster (SZL) to Osan (OSN) is 6,596 miles (10,616 km, 5,732 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SZL to OSN?
A nonstop flight takes about 13h 24m 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 Knobnoster and Osan?
Osan is 14 hours ahead of Knobnoster.
What is the cheapest way to fly from SZL to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SZL–OSN that never appear on search engines, with no booking fees.