Distance between cities › Australia › South Australia › O B Flat, SA › Distance from O B Flat to Coolamon Book Hotels

Distance from O B Flat, SA to Coolamon, NSW

Distance

814 km

Time

10 hours 45 mins

Gas Cost

$61 - $159

There are 668.51 km (415.39 miles) from O B Flat to Coolamon in northeast direction and 814.33 km (506 miles) by car, following the A39 route.

O B Flat and Coolamon are 10 hours 45 mins far apart, if you drive non-stop .

This is the fastest route from O B Flat, SA to Coolamon, NSW.

Please note the time difference between O B Flat, SA and Coolamon, NSW is 30 minutes. The current time in O B Flat is 4:07 pm and the current time in Coolamon is 4:37 pm.

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Lowest Price Rental Cars in O B Flat, SA

Planning on renting a car to go from O B Flat, SA to Coolamon, NSW? Here there are some offers to rent a car in O B Flat, SA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in O B Flat »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 87.93 liters of fuel to cover the route between O B Flat, SA and Coolamon, NSW.

The estimated cost of fuel to go from O B Flat to Coolamon is $131.90.

During the route, an average car will release 2,103.39 kilograms of CO₂ to the atmosphere. The carbon footprint would be 2.58 kilograms of CO₂ per kilometer.

Average Australia gas price used for calculation is $1.50 per liter of regular gas. Price last updated on March 10, 2026.
Read more about our CO₂ calculation.

Halfway Point Between O B Flat, SA and Coolamon, NSW

If you want to meet halfway between O B Flat, SA and Coolamon, NSW or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -37.691765 and 144.973526, or 37º 41' 30.354" S, 144º 58' 24.6936" E. This location is 252.96 miles away from O B Flat, SA and Coolamon, NSW and it would take approximately 5 hours 22 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between O B Flat, SA and Coolamon, NSW in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	415.39 mi	668.51 km	360.97 nautical mi
Driving distance	506 mi	814.21 km	439.64 nautical mi

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