Distance between cities › Australia › South Australia › Calca, SA › Distance from Calca to Williamstown Book Hotels

Distance from Calca, SA to Williamstown, SA

Distance

730 km

Time

8 hours 55 mins

Gas Cost

$55 - $142

There are 464.28 km (288.49 miles) from Calca to Williamstown in southeast direction and 730.64 km (454 miles) by car, following the A1 route.

Calca and Williamstown are 8 hours 55 mins far apart, if you drive non-stop .

This is the fastest route from Calca, SA to Williamstown, SA.

Calca, SA and Williamstown, SA are in the same time zone (ACST). Current time in both locations is 6:54 am.

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Lowest Price Rental Cars in Calca, SA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Calca »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 78.88 liters of fuel to cover the route between Calca, SA and Williamstown, SA.

The estimated cost of fuel to go from Calca to Williamstown is $118.31.

During the route, an average car will release 1,886.70 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 Calca, SA and Williamstown, SA

If you want to meet halfway between Calca, SA 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 -32.744137 and 137.112793, or 32º 44' 38.8932" S, 137º 6' 46.0548" E. This location is 226.90 miles away from Calca, SA and Williamstown, SA and it would take approximately 4 hours 27 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	288.49 mi	464.28 km	250.69 nautical mi
Driving distance	454 mi	730.33 km	394.35 nautical mi

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