Distance between cities › Australia › New South Wales › Hat Head, NSW › Distance from Hat Head to Williamstown Book Hotels

Distance from Hat Head, NSW to Williamstown, SA

Distance

1,790 km

Time

21 hours 48 mins

Gas Cost

$134 - $349

Helpful Inaccurate

There are 1,381.10 km (858.18 miles) from Hat Head to Williamstown in southwest direction and 1,789.59 km (1,112 miles) by car, following the M31 route.

Hat Head and Williamstown are 21 hours 48 mins far apart, if you drive non-stop .

This is the fastest route from Hat Head, NSW to Williamstown, SA.

Please note the time difference between Hat Head, NSW and Williamstown, SA is 30 minutes. The current time in Hat Head is 8:13 pm and the current time in Williamstown is 7:43 pm.

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Lowest Price Rental Cars in Hat Head, NSW

Planning on renting a car to go from Hat Head, NSW to Williamstown, SA? Here there are some offers to rent a car in Hat Head, NSW

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Hat Head »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 193.29 liters of fuel to cover the route between Hat Head, NSW and Williamstown, SA.

The estimated cost of fuel to go from Hat Head to Williamstown is $289.93.

During the route, an average car will release 4,623.43 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 Hat Head, NSW and Williamstown, SA

If you want to meet halfway between Hat Head, NSW and Williamstown, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.053781 and 147.014768, or 35º 3' 13.6116" S, 147º 0' 53.1648" E. This location is 556.03 miles away from Hat Head, NSW and Williamstown, SA and it would take approximately 10 hours 54 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Hat Head, NSW and Williamstown, SA in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	858.18 mi	1,381.10 km	745.73 nautical mi
Driving distance	1,112 mi	1,789.70 km	966.36 nautical mi

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