Distance between cities › Australia › New South Wales › Walcha, NSW › Distance from Walcha to Williamstown Book Hotels

Distance from Walcha, NSW to Williamstown, SA

Distance

1,555 km

Time

19 hours 30 mins

Gas Cost

$117 - $303

There are 1,255.45 km (780.10 miles) from Walcha to Williamstown in southwest direction and 1,554.63 km (966 miles) by car, following the A20 route.

Walcha and Williamstown are 19 hours 30 mins far apart, if you drive non-stop .

This is the fastest route from Walcha, NSW to Williamstown, SA.

Please note the time difference between Walcha, NSW and Williamstown, SA is 30 minutes. The current time in Walcha is 7:49 am and the current time in Williamstown is 7:19 am.

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Lowest Price Rental Cars in Walcha, NSW

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Walcha »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 167.95 liters of fuel to cover the route between Walcha, NSW and Williamstown, SA.

The estimated cost of fuel to go from Walcha to Williamstown is $251.93.

During the route, an average car will release 4,017.42 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 Walcha, NSW and Williamstown, SA

If you want to meet halfway between Walcha, NSW 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 -33.950718 and 145.796208, or 33º 57' 2.5848" S, 145º 47' 46.3488" E. This location is 483.15 miles away from Walcha, NSW and Williamstown, SA and it would take approximately 9 hours 45 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	780.10 mi	1,255.45 km	677.89 nautical mi
Driving distance	966 mi	1,555.11 km	839.70 nautical mi

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