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

Distance from Harden, NSW to Willunga, SA

Distance

1,029 km

Time

12 hours 53 mins

Gas Cost

$77 - $201

There are 897.80 km (557.87 miles) from Harden to Willunga in west direction and 1,028.37 km (639 miles) by car, following the A20 route.

Harden and Willunga are 12 hours 53 mins far apart, if you drive non-stop .

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

Please note the time difference between Harden, NSW and Willunga, SA is 30 minutes. The current time in Harden is 12:00 pm and the current time in Willunga is 11:30 am.

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Lowest Price Rental Cars in Harden, NSW

Planning on renting a car to go from Harden, NSW to Willunga, 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 111.10 liters of fuel to cover the route between Harden, NSW and Willunga, SA.

The estimated cost of fuel to go from Harden to Willunga is $166.65.

During the route, an average car will release 2,657.45 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 Willunga, SA

If you want to meet halfway between Harden, NSW and Willunga, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -34.896763 and 143.496948, or 34º 53' 48.3468" S, 143º 29' 49.0128" E. This location is 319.60 miles away from Harden, NSW and Willunga, SA and it would take approximately 6 hours 26 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	557.87 mi	897.80 km	484.77 nautical mi
Driving distance	639 mi	1,028.68 km	555.44 nautical mi

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