Need help booking?
Unpublished phone-only deals available
HOU to GRK: distance & flight time
Houston (William P Hobby Airport) → Killeen (Robert Gray Army Air Field Airport)
181 mi
291 km · 157 nm
57m
estimated nonstop flight time
Same time
time difference · heading northwest
See live HOU→GRK fares Phone-only fares on this route — call free
Flight time details
181 miles nonstop takes roughly 57m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- HOU — William P Hobby Airport · Houston, United States
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
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 HOU
- IAH · George Bush Intercontinental Houston Airport24 mi away
- EFD · Ellington Airport8 mi away
- AAP · Andrau Airpark19 mi away
- SGR · Sugar Land Regional Airport23 mi away
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
Frequently asked questions
How far is HOU from GRK?
The flight distance from Houston (HOU) to Killeen (GRK) is 181 miles (291 km, 157 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HOU to GRK?
A nonstop flight takes about 57m 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 cheapest way to fly from HOU to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HOU–GRK that never appear on search engines, with no booking fees.