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GUS to OSN: distance & flight time
Peru (Grissom Air Reserve Base) → Osan (Osan Air Base)
6,669 mi
10,733 km · 5,796 nm
13h 33m
estimated nonstop flight time
+13h
time difference · heading northwest
See live GUS→OSN fares Phone-only fares on this route — call free
Flight time details
6,669 miles nonstop takes roughly 13h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- GUS — Grissom Air Reserve Base · Peru, 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 GUS
- OKK · Kokomo Municipal Airport10 mi away
- LAF · Purdue University Airport44 mi away
- AID · Anderson Municipal Darlington Field47 mi away
- MIE · Delaware County Johnson Field49 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 GUS from OSN?
The flight distance from Peru (GUS) to Osan (OSN) is 6,669 miles (10,733 km, 5,796 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GUS to OSN?
A nonstop flight takes about 13h 33m 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 Peru and Osan?
Osan is 13 hours ahead of Peru.
What is the cheapest way to fly from GUS to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GUS–OSN that never appear on search engines, with no booking fees.