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OSN to SDY: distance & flight time
Osan (Osan Air Base) → Sidney (Sidney - Richland Regional Airport)
5,782 mi
9,306 km · 5,025 nm
11h 48m
estimated nonstop flight time
-15h
time difference · heading northeast
See live OSN→SDY fares Phone-only fares on this route — call free
Flight time details
5,782 miles nonstop takes roughly 11h 48m 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
- SDY — Sidney - Richland Regional Airport · Sidney, 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 SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 mi away
Frequently asked questions
How far is OSN from SDY?
The flight distance from Osan (OSN) to Sidney (SDY) is 5,782 miles (9,306 km, 5,025 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to SDY?
A nonstop flight takes about 11h 48m 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 Sidney?
Sidney is 15 hours behind Osan.
What is the cheapest way to fly from OSN to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–SDY that never appear on search engines, with no booking fees.