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

Distance from Grassmere, VIC to Williamstown, SA

Distance

595 km

Time

7 hours 36 mins

Gas Cost

$45 - $116

There are 515.14 km (320.09 miles) from Grassmere to Williamstown in northwest direction and 595.46 km (370 miles) by car, following the A66 route.

Grassmere and Williamstown are 7 hours 36 mins far apart, if you drive non-stop .

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

Please note the time difference between Grassmere, VIC and Williamstown, SA is 30 minutes. The current time in Grassmere is 5:05 am and the current time in Williamstown is 4:35 am.

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Lowest Price Rental Cars in Grassmere, VIC

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Grassmere »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 64.29 liters of fuel to cover the route between Grassmere, VIC and Williamstown, SA.

The estimated cost of fuel to go from Grassmere to Williamstown is $96.43.

During the route, an average car will release 1,537.77 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 Grassmere, VIC and Williamstown, SA

If you want to meet halfway between Grassmere, 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 -36.733763 and 140.613927, or 36º 44' 1.5468" S, 140º 36' 50.1372" E. This location is 184.94 miles away from Grassmere, VIC and Williamstown, SA and it would take approximately 3 hours 48 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	320.09 mi	515.14 km	278.15 nautical mi
Driving distance	370 mi	595.26 km	321.42 nautical mi

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