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GRK to TUS: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Tucson (Tucson International Airport)
775 mi
1,247 km · 673 nm
2h 9m
estimated nonstop flight time
-2h
time difference · heading west
See live GRK→TUS fares Phone-only fares on this route — call free
Flight time details
775 miles nonstop takes roughly 2h 9m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- TUS — Tucson International Airport · Tucson, 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 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 TUS
- DMA · Davis Monthan Air Force Base5 mi away
- AVW · Marana Regional Airport26 mi away
- MZJ · Pinal Airpark35 mi away
- OLS · Nogales International Airport49 mi away
Frequently asked questions
How far is GRK from TUS?
The flight distance from Killeen (GRK) to Tucson (TUS) is 775 miles (1,247 km, 673 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to TUS?
A nonstop flight takes about 2h 9m 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 Tucson?
Tucson is 2 hours behind Killeen.
What is the cheapest way to fly from GRK to TUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–TUS that never appear on search engines, with no booking fees.