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GRK to ADP: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Galoya (Ampara Airport)
9,783 mi
15,744 km · 8,501 nm
19h 39m
estimated nonstop flight time
+10.5h
time difference · heading north
See live GRK→ADP fares Phone-only fares on this route — call free
Flight time details
9,783 miles nonstop takes roughly 19h 39m 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
- ADP — Ampara Airport · Galoya, 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 ADP
- BTC · Batticaloa Airport26 mi away
- HIM · Hingurakgoda Air Force Base66 mi away
- GIU · Sigiriya Air Force Base75 mi away
- WRZ · Weerawila Airport80 mi away
Frequently asked questions
How far is GRK from ADP?
The flight distance from Killeen (GRK) to Galoya (ADP) is 9,783 miles (15,744 km, 8,501 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to ADP?
A nonstop flight takes about 19h 39m 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 Galoya?
Galoya is 10.5 hours ahead of Killeen.
What is the cheapest way to fly from GRK to ADP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–ADP that never appear on search engines, with no booking fees.