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

Distance from Barry, NSW to Williamstown, SA

Distance

1,129 km

Time

14 hours 4 mins

Gas Cost

$85 - $220

There are 961.61 km (597.52 miles) from Barry to Williamstown in west direction and 1,129.76 km (702 miles) by car, following the A20 route.

Barry and Williamstown are 14 hours 4 mins far apart, if you drive non-stop .

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

Please note the time difference between Barry, NSW and Williamstown, SA is 30 minutes. The current time in Barry is 5:15 pm and the current time in Williamstown is 4:45 pm.

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Lowest Price Rental Cars in Barry, NSW

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Barry »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 121.95 liters of fuel to cover the route between Barry, NSW and Williamstown, SA.

The estimated cost of fuel to go from Barry to Williamstown is $182.92.

During the route, an average car will release 2,916.95 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 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Barry, NSW and Williamstown, SA

If you want to meet halfway between Barry, 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 -34.693363 and 144.086700, or 34º 41' 36.1068" S, 144º 5' 12.12" E. This location is 350.81 miles away from Barry, NSW and Williamstown, SA and it would take approximately 7 hours 2 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	597.52 mi	961.61 km	519.23 nautical mi
Driving distance	702 mi	1,129.13 km	609.68 nautical mi

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