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DEC to OOM: distance & flight time
Decatur (Decatur Airport) → Cooma (Cooma Snowy Mountains Airport)
9,336 mi
15,025 km · 8,113 nm
18h 46m
estimated nonstop flight time
+15h
time difference · heading west
See live DEC→OOM fares Phone-only fares on this route — call free
Flight time details
9,336 miles nonstop takes roughly 18h 46m gate to gate, flying west. 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
- DEC — Decatur Airport · Decatur, 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 DEC
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 DEC from OOM?
The flight distance from Decatur (DEC) to Cooma (OOM) is 9,336 miles (15,025 km, 8,113 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEC to OOM?
A nonstop flight takes about 18h 46m 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 Decatur and Cooma?
Cooma is 15 hours ahead of Decatur.
What is the cheapest way to fly from DEC to OOM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEC–OOM that never appear on search engines, with no booking fees.