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KTM to FSI: distance & flight time
Kathmandu (Tribhuvan International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
8,122 mi
13,071 km · 7,058 nm
16h 24m
estimated nonstop flight time
-10.7h
time difference · heading north
See live KTM→FSI fares Phone-only fares on this route — call free
Flight time details
8,122 miles nonstop takes roughly 16h 24m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.7-hour time set-back when reading arrival times on your ticket.
The two airports
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
- 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 KTM
- SIF · Simara Airport44 mi away
- RHP · Ramechhap Airport48 mi away
- BHR · Bharatpur Airport57 mi away
- MEY · Meghauli Airport70 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 KTM from FSI?
The flight distance from Kathmandu (KTM) to Fort Sill (FSI) is 8,122 miles (13,071 km, 7,058 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to FSI?
A nonstop flight takes about 16h 24m 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 Kathmandu and Fort Sill?
Fort Sill is 10.7 hours behind Kathmandu.
What is the cheapest way to fly from KTM to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–FSI that never appear on search engines, with no booking fees.