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ONO to GRK: distance & flight time
Ontario (Ontario Municipal Airport) → Killeen (Robert Gray Army Air Field Airport)
1,374 mi
2,212 km · 1,194 nm
3h 27m
estimated nonstop flight time
+1h
time difference · heading southeast
See live ONO→GRK fares Phone-only fares on this route — call free
Flight time details
1,374 miles nonstop takes roughly 3h 27m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- ONO — Ontario Municipal Airport · Ontario, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 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 ONO from GRK?
The flight distance from Ontario (ONO) to Killeen (GRK) is 1,374 miles (2,212 km, 1,194 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to GRK?
A nonstop flight takes about 3h 27m 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 Ontario and Killeen?
Killeen is 1 hour ahead of Ontario.
What is the cheapest way to fly from ONO to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–GRK that never appear on search engines, with no booking fees.