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FSI to JAF: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Jaffna (Kankesanturai Airport)
9,365 mi
15,071 km · 8,138 nm
18h 50m
estimated nonstop flight time
+10.5h
time difference · heading north
See live FSI→JAF fares Phone-only fares on this route — call free
Flight time details
9,365 miles nonstop takes roughly 18h 50m 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 gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- JAF — Kankesanturai Airport · Jaffna, Sri Lanka
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 JAF
- TJV · Tanjore Air Force Base92 mi away
- ACJ · Anuradhapura Air Force Base106 mi away
- TRZ · Tiruchirapally Civil Airport Airport114 mi away
- TRR · China Bay Airport115 mi away
Frequently asked questions
How far is FSI from JAF?
The flight distance from Fort Sill (FSI) to Jaffna (JAF) is 9,365 miles (15,071 km, 8,138 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to JAF?
A nonstop flight takes about 18h 50m 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 Jaffna?
Jaffna is 10.5 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to JAF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–JAF that never appear on search engines, with no booking fees.