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

Distance from Forth, TAS to Williamstown, SA

Distance

1,163 km

Time

18 hours 30 mins

Gas Cost

$87 - $227

There are 970.80 km (603.23 miles) from Forth to Williamstown in northwest direction and 1,163.56 km (723 miles) by car and ferry, following the 1 route.

Forth and Williamstown are 18 hours 30 mins far apart, if you drive non-stop for 9 hours 30 mins and take a ferry for 9 hours .

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

Please note the time difference between Forth, TAS and Williamstown, SA is 30 minutes. The current time in Forth is 4:15 am and the current time in Williamstown is 3:45 am.

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Lowest Price Rental Cars in Forth, TAS

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Forth »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 125.63 liters of fuel to cover the route between Forth, TAS and Williamstown, SA.

The estimated cost of fuel to go from Forth to Williamstown is $188.44.

During the route, an average car will release 3,005.01 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 7, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Forth, TAS and Williamstown, SA

If you want to meet halfway between Forth, 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 -37.435489 and 143.458783, or 37º 26' 7.7604" S, 143º 27' 31.6188" E. This location is 361.40 miles away from Forth, TAS and Williamstown, SA and it would take approximately 9 hours 15 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	603.23 mi	970.80 km	524.19 nautical mi
Driving distance	723 mi	1,163.22 km	628.09 nautical mi

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