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

Distance from Roxby Downs, SA to Williamstown, SA

Distance

566 km

Time

7 hours 7 mins

Gas Cost

$42 - $110

Helpful Inaccurate

There are 493.28 km (306.51 miles) from Roxby Downs to Williamstown in southeast direction and 566.49 km (352 miles) by car, following the A1 route.

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

This is the fastest route from Roxby Downs, SA to Williamstown, SA.

Roxby Downs, SA and Williamstown, SA are in the same time zone (ACST). Current time in both locations is 10:27 am.

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Lowest Price Rental Cars in Roxby Downs, SA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Roxby Downs »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 61.11 liters of fuel to cover the route between Roxby Downs, SA and Williamstown, SA.

The estimated cost of fuel to go from Roxby Downs to Williamstown is $91.67.

During the route, an average car will release 1,461.80 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 5, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Roxby Downs, SA and Williamstown, SA

If you want to meet halfway between Roxby Downs, 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 -32.664736 and 137.930815, or 32º 39' 53.0496" S, 137º 55' 50.934" E. This location is 175.80 miles away from Roxby Downs, SA and Williamstown, SA and it would take approximately 3 hours 33 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	306.51 mi	493.28 km	266.35 nautical mi
Driving distance	352 mi	565.85 km	305.54 nautical mi

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