Distance between cities › Australia › Tasmania › Dunalley, TAS › Distance from Dunalley to Williamstown Book Hotels

Distance from Dunalley, TAS to Williamstown, SA

Distance

1,442 km

Time

21 hours 52 mins

Gas Cost

$108 - $281

There are 1,195.71 km (742.98 miles) from Dunalley to Williamstown in northwest direction and 1,441.97 km (896 miles) by car and ferry, following the 1 route.

Dunalley and Williamstown are 21 hours 52 mins far apart, if you drive non-stop for 12 hours 52 mins and take a ferry for 9 hours .

This is the fastest route from Dunalley, TAS to Williamstown, SA.

Please note the time difference between Dunalley, TAS and Williamstown, SA is 30 minutes. The current time in Dunalley is 12:29 am (Mar 13) and the current time in Williamstown is 11:59 pm (Mar 12).

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Lowest Price Rental Cars in Dunalley, TAS

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Dunalley »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 155.77 liters of fuel to cover the route between Dunalley, TAS and Williamstown, SA.

The estimated cost of fuel to go from Dunalley to Williamstown is $233.66.

During the route, an average car will release 3,726.05 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 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Dunalley, TAS and Williamstown, SA

If you want to meet halfway between Dunalley, TAS 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 -38.121984 and 144.479955, or 38º 7' 19.1424" S, 144º 28' 47.838" E. This location is 448.11 miles away from Dunalley, TAS and Williamstown, SA and it would take approximately 10 hours 56 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	742.98 mi	1,195.71 km	645.63 nautical mi
Driving distance	896 mi	1,442.33 km	778.80 nautical mi

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