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FSM to GRK: distance & flight time
Fort Smith (Fort Smith Regional Airport) → Killeen (Robert Gray Army Air Field Airport)
356 mi
574 km · 310 nm
1h 24m
estimated nonstop flight time
Same time
time difference · heading southwest
See live FSM→GRK fares Phone-only fares on this route — call free
Flight time details
356 miles nonstop takes roughly 1h 24m 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
- FSM — Fort Smith Regional Airport · Fort Smith, 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 FSM
- FYV · Drake Field47 mi away
- XNA · Northwest Arkansas Regional Airport65 mi away
- MLC · Mc Alester Regional Airport86 mi away
- OKM · Okmulgee Regional Airport92 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 FSM from GRK?
The flight distance from Fort Smith (FSM) to Killeen (GRK) is 356 miles (574 km, 310 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSM to GRK?
A nonstop flight takes about 1h 24m 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 FSM to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSM–GRK that never appear on search engines, with no booking fees.