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

Distance from Thoona, VIC to Williamstown, SA

Distance

803 km

Time

10 hours 34 mins

Gas Cost

$60 - $157

There are 676.94 km (420.64 miles) from Thoona to Williamstown in northwest direction and 803.06 km (499 miles) by car, following the B12 route.

Thoona and Williamstown are 10 hours 34 mins far apart, if you drive non-stop .

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

Please note the time difference between Thoona, VIC and Williamstown, SA is 30 minutes. The current time in Thoona is 1:45 am and the current time in Williamstown is 1:15 am.

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Lowest Price Rental Cars in Thoona, VIC

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Thoona »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 86.75 liters of fuel to cover the route between Thoona, VIC and Williamstown, SA.

The estimated cost of fuel to go from Thoona to Williamstown is $130.13.

During the route, an average car will release 2,075.09 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 6, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Thoona, VIC and Williamstown, SA

If you want to meet halfway between Thoona, 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 -35.028263 and 142.645462, or 35º 1' 41.7468" S, 142º 38' 43.6632" E. This location is 249.56 miles away from Thoona, VIC and Williamstown, SA and it would take approximately 5 hours 17 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	420.64 mi	676.94 km	365.52 nautical mi
Driving distance	499 mi	803.25 km	433.72 nautical mi

Road Trip Tips