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

Distance from Barnes, NSW to Williamstown, SA

Distance

1,355 km

Time

16 hours 27 mins

Gas Cost

$102 - $264

There are 1,132.51 km (703.71 miles) from Barnes to Williamstown in west direction and 1,355.07 km (842 miles) by car, following the M31 route.

Barnes and Williamstown are 16 hours 27 mins far apart, if you drive non-stop .

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

Please note the time difference between Barnes, NSW and Williamstown, SA is 30 minutes. The current time in Barnes is 2:56 pm and the current time in Williamstown is 2:26 pm.

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Lowest Price Rental Cars in Barnes, NSW

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Barnes »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 146.35 liters of fuel to cover the route between Barnes, NSW and Williamstown, SA.

The estimated cost of fuel to go from Barnes to Williamstown is $219.52.

During the route, an average car will release 3,500.68 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 Barnes, NSW and Williamstown, SA

If you want to meet halfway between Barnes, 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 -34.50617 and 145.183074, or 34º 30' 22.212" S, 145º 10' 59.0664" E. This location is 421.01 miles away from Barnes, NSW and Williamstown, SA and it would take approximately 8 hours 13 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	703.71 mi	1,132.51 km	611.51 nautical mi
Driving distance	842 mi	1,355.09 km	731.69 nautical mi

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