Distance between cities › Australia › New South Wales › Harden, NSW › Distance from Harden to Koolunga Book Hotels

Distance from Harden, NSW to Koolunga, SA

Distance

1,079 km

Time

13 hours 35 mins

Gas Cost

$81 - $210

There are 934.06 km (580.40 miles) from Harden to Koolunga in west direction and 1,079.87 km (671 miles) by car, following the A20 route.

Harden and Koolunga are 13 hours 35 mins far apart, if you drive non-stop .

This is the fastest route from Harden, NSW to Koolunga, SA.

Please note the time difference between Harden, NSW and Koolunga, SA is 30 minutes. The current time in Harden is 9:13 am and the current time in Koolunga is 8:43 am.

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Lowest Price Rental Cars in Harden, NSW

Planning on renting a car to go from Harden, NSW to Koolunga, SA? Here there are some offers to rent a car in Harden, NSW

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Harden »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 116.56 liters of fuel to cover the route between Harden, NSW and Koolunga, SA.

The estimated cost of fuel to go from Harden to Koolunga is $174.84.

During the route, an average car will release 2,788.18 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 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Harden, NSW and Koolunga, SA

If you want to meet halfway between Harden, NSW and Koolunga, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -34.572345 and 143.139441, or 34º 34' 20.442" S, 143º 8' 21.9876" E. This location is 335.32 miles away from Harden, NSW and Koolunga, SA and it would take approximately 6 hours 47 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Harden, NSW and Koolunga, SA in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	580.40 mi	934.06 km	504.35 nautical mi
Driving distance	671 mi	1,079.28 km	582.77 nautical mi

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