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

Distance from Perth, WA to Williamstown, SA

Distance

2,693 km

Time

1 day 7 hours

Gas Cost

$202 - $525

There are 2,156.37 km (1,339.91 miles) from Perth to Williamstown in east direction and 2,694.04 km (1,674 miles) by car, following the 1 route.

Perth and Williamstown are 1 day 7 hours far apart, if you drive non-stop .

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

Please note the time difference between Perth, WA and Williamstown, SA is 2 hours and 30 minutes. The current time in Perth is 2:01 am and the current time in Williamstown is 4:31 am.

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Lowest Price Rental Cars in Perth, WA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Perth »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 290.90 liters of fuel to cover the route between Perth, WA and Williamstown, SA.

The estimated cost of fuel to go from Perth to Williamstown is $436.35.

During the route, an average car will release 6,958.27 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 Perth, WA and Williamstown, SA

If you want to meet halfway between Perth, 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 -31.860891 and 127.971225, or 31º 51' 39.2076" S, 127º 58' 16.41" E. This location is 836.83 miles away from Perth, WA and Williamstown, SA and it would take approximately 15 hours 47 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	1,339.91 mi	2,156.37 km	1,164.35 nautical mi
Driving distance	1,674 mi	2,693.50 km	1,454.37 nautical mi

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