Need help booking?
Unpublished phone-only deals available
CCU to FSI: distance & flight time
Kolkata (Netaji Subhash Chandra Bose International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
8,452 mi
13,602 km · 7,345 nm
17h 2m
estimated nonstop flight time
-10.5h
time difference · heading north
See live CCU→FSI fares Phone-only fares on this route — call free
Flight time details
8,452 miles nonstop takes roughly 17h 2m 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
- CCU — Netaji Subhash Chandra Bose International Airport · Kolkata, 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 CCU
- JSR · Jessore Airport58 mi away
- RDP · Kazi Nazrul Islam Airport102 mi away
- IRD · Ishurdi Airport110 mi away
- BZL · Barisal Airport119 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 CCU from FSI?
The flight distance from Kolkata (CCU) to Fort Sill (FSI) is 8,452 miles (13,602 km, 7,345 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CCU to FSI?
A nonstop flight takes about 17h 2m 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 Kolkata and Fort Sill?
Fort Sill is 10.5 hours behind Kolkata.
What is the cheapest way to fly from CCU to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CCU–FSI that never appear on search engines, with no booking fees.