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SZL to GRK: distance & flight time
Knobnoster (Whiteman Air Force Base) → Killeen (Robert Gray Army Air Field Airport)
582 mi
937 km · 506 nm
1h 44m
estimated nonstop flight time
Same time
time difference · heading southwest
See live SZL→GRK fares Phone-only fares on this route — call free
Flight time details
582 miles nonstop takes roughly 1h 44m gate to gate, flying southwest. 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
- SZL — Whiteman Air Force Base · Knobnoster, 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 SZL
- MKC · Charles B. Wheeler Downtown Airport62 mi away
- OJC · Johnson County Executive Airport65 mi away
- AIZ · Lee C Fine Memorial Airport70 mi away
- COU · Columbia Regional Airport72 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 SZL from GRK?
The flight distance from Knobnoster (SZL) to Killeen (GRK) is 582 miles (937 km, 506 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SZL to GRK?
A nonstop flight takes about 1h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SZL to GRK?
Nonstop service on SZL–GRK depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 44m nonstop estimate.
What is the cheapest way to fly from SZL to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SZL–GRK that never appear on search engines, with no booking fees.
Why are some SZL to GRK fares phone-only?
Consolidator contracts let us sell certain SZL–GRK tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.