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GLS to OSN: distance & flight time
Galveston (Scholes International At Galveston Airport) → Osan (Osan Air Base)
7,110 mi
11,442 km · 6,178 nm
14h 24m
estimated nonstop flight time
+14h
time difference · heading northwest
See live GLS→OSN fares Phone-only fares on this route — call free
Flight time details
7,110 miles nonstop takes roughly 14h 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
- GLS — Scholes International At Galveston Airport · Galveston, 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 GLS
- IAH · George Bush Intercontinental Houston Airport57 mi away
- EFD · Ellington Airport30 mi away
- HOU · William P Hobby Airport36 mi away
- LJN · Texas Gulf Coast Regional Airport38 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 GLS from OSN?
The flight distance from Galveston (GLS) to Osan (OSN) is 7,110 miles (11,442 km, 6,178 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GLS to OSN?
A nonstop flight takes about 14h 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 Galveston and Osan?
Osan is 14 hours ahead of Galveston.
What is the cheapest way to fly from GLS to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GLS–OSN that never appear on search engines, with no booking fees.