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GRK to OOM: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Cooma (Cooma Snowy Mountains Airport)
8,655 mi
13,929 km · 7,521 nm
17h 26m
estimated nonstop flight time
+15h
time difference · heading southwest
See live GRK→OOM fares Phone-only fares on this route — call free
Flight time details
8,655 miles nonstop takes roughly 17h 26m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- OOM — Cooma Snowy Mountains Airport · Cooma, Australia
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 OOM
- CYG · Corryong Airport61 mi away
- MIM · Merimbula Airport66 mi away
- CBR · Canberra International Airport70 mi away
- MYA · Moruya Airport71 mi away
Frequently asked questions
How far is GRK from OOM?
The flight distance from Killeen (GRK) to Cooma (OOM) is 8,655 miles (13,929 km, 7,521 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to OOM?
A nonstop flight takes about 17h 26m 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 Cooma?
Cooma is 15 hours ahead of Killeen.
What is the cheapest way to fly from GRK to OOM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–OOM that never appear on search engines, with no booking fees.