Distance between cities › Australia › Western Australia › Onslow, WA › Distance from Onslow to Koolkhan Book Hotels

Distance from Onslow, WA to Koolkhan, NSW

Distance

5,379 km

Time

2 days 15 hours

Gas Cost

$403 - $1049

There are 3,876.01 km (2,408.44 miles) from Onslow to Koolkhan in southeast direction and 5,378.43 km (3,342 miles) by car, following the 1 route.

Onslow and Koolkhan are 2 days 15 hours far apart, if you drive non-stop .

This is the fastest route from Onslow, WA to Koolkhan, NSW.

Please note the time difference between Onslow, WA and Koolkhan, NSW is 3 hours. The current time in Onslow is 10:57 pm (Mar 10) and the current time in Koolkhan is 1:57 am (Mar 11).

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Lowest Price Rental Cars in Onslow, WA

Planning on renting a car to go from Onslow, WA to Koolkhan, NSW? Here there are some offers to rent a car in Onslow, WA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Onslow »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 580.93 liters of fuel to cover the route between Onslow, WA and Koolkhan, NSW.

The estimated cost of fuel to go from Onslow to Koolkhan is $871.39.

During the route, an average car will release 13,895.83 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 Onslow, WA and Koolkhan, NSW

If you want to meet halfway between Onslow, WA and Koolkhan, NSW or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -31.604611 and 129.753042, or 31º 36' 16.5996" S, 129º 45' 10.9512" E. This location is 1,671.17 miles away from Onslow, WA and Koolkhan, NSW and it would take approximately 1 day 7 hours to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Onslow, WA and Koolkhan, NSW in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	2,408.44 mi	3,876.01 km	2,092.88 nautical mi
Driving distance	3,342 mi	5,378.97 km	2,904.42 nautical mi

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