Need help booking?
Unpublished phone-only deals available
GRK to BTC: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Batticaloa (Batticaloa Airport)
9,758 mi
15,703 km · 8,479 nm
19h 36m
estimated nonstop flight time
+10.5h
time difference · heading north
See live GRK→BTC fares Phone-only fares on this route — call free
Flight time details
9,758 miles nonstop takes roughly 19h 36m 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
- GRK — Robert Gray Army Air Field Airport · Killeen, 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 GRK
- HLR · Hood Army Air Field8 mi away
- AUS · Austin Bergstrom International Airport61 mi away
- TPL · Draughon Miller Central Texas Regional Airport26 mi away
- ACT · Waco Regional Airport52 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 GRK from BTC?
The flight distance from Killeen (GRK) to Batticaloa (BTC) is 9,758 miles (15,703 km, 8,479 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to BTC?
A nonstop flight takes about 19h 36m 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 Killeen and Batticaloa?
Batticaloa is 10.5 hours ahead of Killeen.
What is the cheapest way to fly from GRK to BTC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–BTC that never appear on search engines, with no booking fees.