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RSU to FSI: distance & flight time
Yeosu (Yeosu Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
6,791 mi
10,928 km · 5,901 nm
13h 47m
estimated nonstop flight time
-14h
time difference · heading northeast
See live RSU→FSI fares Phone-only fares on this route — call free
Flight time details
6,791 miles nonstop takes roughly 13h 47m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- RSU — Yeosu Airport · Yeosu, South Korea
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 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
Near FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is RSU from FSI?
The flight distance from Yeosu (RSU) to Fort Sill (FSI) is 6,791 miles (10,928 km, 5,901 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RSU to FSI?
A nonstop flight takes about 13h 47m 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 Yeosu and Fort Sill?
Fort Sill is 14 hours behind Yeosu.
What is the cheapest way to fly from RSU to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RSU–FSI that never appear on search engines, with no booking fees.