Distance between cities › Australia › Western Australia › Grass Patch, WA › Distance from Grass Patch to Williamstown Book Hotels

Distance from Grass Patch, WA to Williamstown, SA

Distance

2,102 km

Time

1 day

Gas Cost

$158 - $410

Helpful Inaccurate

There are 1,588.10 km (986.80 miles) from Grass Patch to Williamstown in east direction and 2,101.80 km (1,306 miles) by car, following the 1 route.

Grass Patch and Williamstown are 1 day far apart, if you drive non-stop .

This is the fastest route from Grass Patch, WA to Williamstown, SA.

Please note the time difference between Grass Patch, WA and Williamstown, SA is 2 hours and 30 minutes. The current time in Grass Patch is 6:07 am and the current time in Williamstown is 8:37 am.

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Lowest Price Rental Cars in Grass Patch, WA

Planning on renting a car to go from Grass Patch, WA to Williamstown, SA? Here there are some offers to rent a car in Grass Patch, WA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Grass Patch »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 226.98 liters of fuel to cover the route between Grass Patch, WA and Williamstown, SA.

The estimated cost of fuel to go from Grass Patch to Williamstown is $340.47.

During the route, an average car will release 5,429.43 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 7, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Grass Patch, WA and Williamstown, SA

If you want to meet halfway between Grass Patch, WA 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 -31.441312 and 130.938764, or 31º 26' 28.7232" S, 130º 56' 19.5504" E. This location is 652.97 miles away from Grass Patch, WA and Williamstown, SA and it would take approximately 12 hours 14 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Grass Patch, WA and Williamstown, SA in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	986.80 mi	1,588.10 km	857.51 nautical mi
Driving distance	1,306 mi	2,101.69 km	1,134.83 nautical mi

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