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OSN to GUC: distance & flight time
Osan (Osan Air Base) → Gunnison (Gunnison Crested Butte Regional Airport)
6,184 mi
9,953 km · 5,374 nm
12h 36m
estimated nonstop flight time
-15h
time difference · heading northeast
See live OSN→GUC fares Phone-only fares on this route — call free
Flight time details
6,184 miles nonstop takes roughly 12h 36m 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
- GUC — Gunnison Crested Butte Regional Airport · Gunnison, 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 GUC
- ASE · Aspen-Pitkin Co/Sardy Field48 mi away
- MTJ · Montrose Regional Airport52 mi away
- TEX · Telluride Regional Airport66 mi away
- EGE · Eagle County Regional Airport77 mi away
Frequently asked questions
How far is OSN from GUC?
The flight distance from Osan (OSN) to Gunnison (GUC) is 6,184 miles (9,953 km, 5,374 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to GUC?
A nonstop flight takes about 12h 36m 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 Gunnison?
Gunnison is 15 hours behind Osan.
What is the cheapest way to fly from OSN to GUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–GUC that never appear on search engines, with no booking fees.