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ORD to OOM: distance & flight time
Chicago (Chicago O'Hare International Airport) → Cooma (Cooma Snowy Mountains Airport)
9,420 mi
15,159 km · 8,185 nm
18h 56m
estimated nonstop flight time
+15h
time difference · heading west
See live ORD→OOM fares Phone-only fares on this route — call free
Flight time details
9,420 miles nonstop takes roughly 18h 56m 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
- ORD — Chicago O'Hare International Airport · Chicago, 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 ORD
- PWK · Chicago Executive Airport9 mi away
- MDW · Chicago Midway International Airport15 mi away
- CGX · Chicago Meigs Airport17 mi away
- DPA · Dupage Airport18 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 ORD from OOM?
The flight distance from Chicago (ORD) to Cooma (OOM) is 9,420 miles (15,159 km, 8,185 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ORD to OOM?
A nonstop flight takes about 18h 56m 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 Chicago and Cooma?
Cooma is 15 hours ahead of Chicago.
What is the cheapest way to fly from ORD to OOM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–OOM that never appear on search engines, with no booking fees.