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FSI to BTC: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Batticaloa (Batticaloa Airport)
9,510 mi
15,305 km · 8,264 nm
19h 7m
estimated nonstop flight time
+10.5h
time difference · heading north
See live FSI→BTC fares Phone-only fares on this route — call free
Flight time details
9,510 miles nonstop takes roughly 19h 7m 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
- BTC — Batticaloa Airport · Batticaloa, 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 BTC
- ADP · Ampara Airport26 mi away
- HIM · Hingurakgoda Air Force Base53 mi away
- TRR · China Bay Airport67 mi away
- GIU · Sigiriya Air Force Base67 mi away
Frequently asked questions
How far is FSI from BTC?
The flight distance from Fort Sill (FSI) to Batticaloa (BTC) is 9,510 miles (15,305 km, 8,264 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to BTC?
A nonstop flight takes about 19h 7m 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 Batticaloa?
Batticaloa is 10.5 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to BTC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–BTC that never appear on search engines, with no booking fees.