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OSC to RSU: distance & flight time
Oscoda (Oscoda Wurtsmith Airport) → Yeosu (Yeosu Airport)
6,623 mi
10,659 km · 5,755 nm
13h 27m
estimated nonstop flight time
+13h
time difference · heading northwest
See live OSC→RSU fares Phone-only fares on this route — call free
Flight time details
6,623 miles nonstop takes roughly 13h 27m 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
- OSC — Oscoda Wurtsmith Airport · Oscoda, United States
- RSU — Yeosu Airport · Yeosu, 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 OSC
- ECA · Iosco County Airport10 mi away
- APN · Alpena County Regional Airport44 mi away
- HTL · Roscommon County - Blodgett Memorial Airport63 mi away
- GDW · Gladwin Zettel Memorial Airport63 mi away
Near RSU
- HIN · Sacheon Air Base/Airport31 mi away
- KWJ · Gwangju Airport50 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)64 mi away
- MPK · Mokpo Heliport70 mi away
Frequently asked questions
How far is OSC from RSU?
The flight distance from Oscoda (OSC) to Yeosu (RSU) is 6,623 miles (10,659 km, 5,755 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSC to RSU?
A nonstop flight takes about 13h 27m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from OSC to RSU?
Nonstop service on OSC–RSU depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 13h 27m nonstop estimate.
What is the time difference between Oscoda and Yeosu?
Yeosu is 13 hours ahead of Oscoda.
What is the cheapest way to fly from OSC to RSU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSC–RSU that never appear on search engines, with no booking fees.
Why are some OSC to RSU fares phone-only?
Consolidator contracts let us sell certain OSC–RSU tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.