Need help booking?
Unpublished phone-only deals available
ISM to GRK: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → Killeen (Robert Gray Army Air Field Airport)
1,002 mi
1,612 km · 870 nm
2h 39m
estimated nonstop flight time
-1h
time difference · heading west
See live ISM→GRK fares Phone-only fares on this route — call free
Flight time details
1,002 miles nonstop takes roughly 2h 39m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ISM — Kissimmee Gateway Airport · Kissimmee, 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 ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 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 ISM from GRK?
The flight distance from Kissimmee (ISM) to Killeen (GRK) is 1,002 miles (1,612 km, 870 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to GRK?
A nonstop flight takes about 2h 39m 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 Kissimmee and Killeen?
Killeen is 1 hour behind Kissimmee.
What is the cheapest way to fly from ISM to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–GRK that never appear on search engines, with no booking fees.