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FSI to KHT: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Khost (Khost Airport)
7,679 mi
12,359 km · 6,673 nm
15h 31m
estimated nonstop flight time
+9.5h
time difference · heading north
See live FSI→KHT fares Phone-only fares on this route — call free
Flight time details
7,679 miles nonstop takes roughly 15h 31m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- KHT — Khost Airport · Khost, Afghanistan
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 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
Near KHT
- PAJ · Parachinar Airport40 mi away
- BNP · Bannu Airport42 mi away
- OAA · Shank Air Base65 mi away
- OAS · Sharana Airstrip66 mi away
Frequently asked questions
How far is FSI from KHT?
The flight distance from Fort Sill (FSI) to Khost (KHT) is 7,679 miles (12,359 km, 6,673 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to KHT?
A nonstop flight takes about 15h 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 Fort Sill and Khost?
Khost is 9.5 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to KHT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–KHT that never appear on search engines, with no booking fees.