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GNI to FSI: distance & flight time
Green Island (Lyudao Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
7,691 mi
12,377 km · 6,683 nm
15h 33m
estimated nonstop flight time
-13h
time difference · heading northeast
See live GNI→FSI fares Phone-only fares on this route — call free
Flight time details
7,691 miles nonstop takes roughly 15h 33m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- GNI — Lyudao Airport · Green Island, Taiwan
- 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 GNI
- TTT · Taitung Airport24 mi away
- KYD · Lanyu Airport45 mi away
- PIF · Pingtung North Airport63 mi away
- HCN · Hengchun Airport64 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 GNI from FSI?
The flight distance from Green Island (GNI) to Fort Sill (FSI) is 7,691 miles (12,377 km, 6,683 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNI to FSI?
A nonstop flight takes about 15h 33m 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 Green Island and Fort Sill?
Fort Sill is 13 hours behind Green Island.
What is the cheapest way to fly from GNI to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNI–FSI that never appear on search engines, with no booking fees.