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IAD to OOM: distance & flight time
Washington (Washington Dulles International Airport) → Cooma (Cooma Snowy Mountains Airport)
9,917 mi
15,960 km · 8,618 nm
19h 55m
estimated nonstop flight time
+14h
time difference · heading west
See live IAD→OOM fares Phone-only fares on this route — call free
Flight time details
9,917 miles nonstop takes roughly 19h 55m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, 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 IAD
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 IAD from OOM?
The flight distance from Washington (IAD) to Cooma (OOM) is 9,917 miles (15,960 km, 8,618 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to OOM?
A nonstop flight takes about 19h 55m 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 Washington and Cooma?
Cooma is 14 hours ahead of Washington.
What is the cheapest way to fly from IAD to OOM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–OOM that never appear on search engines, with no booking fees.