Need help booking?
Unpublished phone-only deals available
GAU to FSI: distance & flight time
Guwahati (Lokpriya Gopinath Bordoloi International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
8,188 mi
13,178 km · 7,115 nm
16h 31m
estimated nonstop flight time
-10.5h
time difference · heading north
See live GAU→FSI fares Phone-only fares on this route — call free
Flight time details
8,188 miles nonstop takes roughly 16h 31m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time set-back when reading arrival times on your ticket.
The two airports
- GAU — Lokpriya Gopinath Bordoloi International Airport · Guwahati, India
- 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 GAU
- SHL · Shillong Airport37 mi away
- ZYL · Osmany International Airport81 mi away
- TEZ · Tezpur Airport85 mi away
- GLU · Gelephu Airport88 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 GAU from FSI?
The flight distance from Guwahati (GAU) to Fort Sill (FSI) is 8,188 miles (13,178 km, 7,115 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAU to FSI?
A nonstop flight takes about 16h 31m 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 Guwahati and Fort Sill?
Fort Sill is 10.5 hours behind Guwahati.
What is the cheapest way to fly from GAU to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAU–FSI that never appear on search engines, with no booking fees.