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OSN to ALM: distance & flight time
Osan (Osan Air Base) → Alamogordo (Alamogordo White Sands Regional Airport)
6,520 mi
10,493 km · 5,666 nm
13h 15m
estimated nonstop flight time
-15h
time difference · heading northeast
See live OSN→ALM fares Phone-only fares on this route — call free
Flight time details
6,520 miles nonstop takes roughly 13h 15m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- ALM — Alamogordo White Sands Regional Airport · Alamogordo, 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 ALM
- HMN · Holloman Air Force Base7 mi away
- WSD · Condron Army Air Field42 mi away
- RUI · Sierra Blanca Regional Airport50 mi away
- LRU · Las Cruces International Airport66 mi away
Frequently asked questions
How far is OSN from ALM?
The flight distance from Osan (OSN) to Alamogordo (ALM) is 6,520 miles (10,493 km, 5,666 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to ALM?
A nonstop flight takes about 13h 15m 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 Alamogordo?
Alamogordo is 15 hours behind Osan.
What is the cheapest way to fly from OSN to ALM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–ALM that never appear on search engines, with no booking fees.