Distance between cities › Australia › Victoria › Tarwin, VIC › Distance from Tarwin to Williamstown Book Hotels

Distance from Tarwin, VIC to Williamstown, SA

Distance

873 km

Time

11 hours 16 mins

Gas Cost

$65 - $170

There are 768.83 km (477.73 miles) from Tarwin to Williamstown in northwest direction and 872.26 km (542 miles) by car, following the A8 route.

Tarwin and Williamstown are 11 hours 16 mins far apart, if you drive non-stop .

This is the fastest route from Tarwin, VIC to Williamstown, SA.

Please note the time difference between Tarwin, VIC and Williamstown, SA is 30 minutes. The current time in Tarwin is 12:21 am (Mar 11) and the current time in Williamstown is 11:51 pm (Mar 10).

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Tarwin, VIC to Williamstown, SA:

Lowest Price Rental Cars in Tarwin, VIC

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Tarwin »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 94.29 liters of fuel to cover the route between Tarwin, VIC and Williamstown, SA.

The estimated cost of fuel to go from Tarwin to Williamstown is $141.43.

During the route, an average car will release 2,255.34 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 10, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Tarwin, VIC and Williamstown, SA

If you want to meet halfway between Tarwin, VIC 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 -36.816614 and 142.356125, or 36º 48' 59.8104" S, 142º 21' 22.05" E. This location is 271.24 miles away from Tarwin, VIC and Williamstown, SA and it would take approximately 5 hours 38 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Tarwin, VIC and Williamstown, SA in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	477.73 mi	768.83 km	415.14 nautical mi
Driving distance	542 mi	873.03 km	471.40 nautical mi

Road Trip Tips