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GRK to CMB: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Colombo (Bandaranaike International Colombo Airport)
9,790 mi
15,755 km · 8,507 nm
19h 40m
estimated nonstop flight time
+10.5h
time difference · heading north
See live GRK→CMB fares Phone-only fares on this route — call free
Flight time details
9,790 miles nonstop takes roughly 19h 40m 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
- CMB — Bandaranaike International Colombo Airport · Colombo, 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 CMB
- RML · Colombo Ratmalana Airport25 mi away
- GIU · Sigiriya Air Force Base79 mi away
- ACJ · Anuradhapura Air Force Base86 mi away
- KCT · Koggala Airport87 mi away
Frequently asked questions
How far is GRK from CMB?
The flight distance from Killeen (GRK) to Colombo (CMB) is 9,790 miles (15,755 km, 8,507 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to CMB?
A nonstop flight takes about 19h 40m 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 Colombo?
Colombo is 10.5 hours ahead of Killeen.
What is the cheapest way to fly from GRK to CMB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–CMB that never appear on search engines, with no booking fees.