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KAG to FSI: distance & flight time
Kangnung (Gangneung Airport (K-18)) → Fort Sill (Henry Post Army Air Field (Fort Sill))
6,585 mi
10,598 km · 5,723 nm
13h 23m
estimated nonstop flight time
-14h
time difference · heading northeast
See live KAG→FSI fares Phone-only fares on this route — call free
Flight time details
6,585 miles nonstop takes roughly 13h 23m 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
- KAG — Gangneung Airport (K-18) · Kangnung, 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 KAG
- YNY · Yangyang International Airport26 mi away
- WJU · Wonju/Hoengseong Air Base (K-38/K-46)58 mi away
- YEC · Yecheon Airbase84 mi away
- ICN · Incheon International Airport138 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 KAG from FSI?
The flight distance from Kangnung (KAG) to Fort Sill (FSI) is 6,585 miles (10,598 km, 5,723 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KAG to FSI?
A nonstop flight takes about 13h 23m 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 Kangnung and Fort Sill?
Fort Sill is 14 hours behind Kangnung.
What is the cheapest way to fly from KAG to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KAG–FSI that never appear on search engines, with no booking fees.