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

Distance from Triabunna, TAS to Williamstown, SA

Distance

1,413 km

Time

21 hours 34 mins

Gas Cost

$106 - $276

There are 1,171.65 km (728.03 miles) from Triabunna to Williamstown in northwest direction and 1,413.00 km (878 miles) by car and ferry, following the 1 route.

Triabunna and Williamstown are 21 hours 34 mins far apart, if you drive non-stop for 12 hours 34 mins and take a ferry for 9 hours .

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

Please note the time difference between Triabunna, TAS and Williamstown, SA is 30 minutes. The current time in Triabunna is 5:29 am and the current time in Williamstown is 4:59 am.

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Lowest Price Rental Cars in Triabunna, TAS

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Triabunna »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 152.65 liters of fuel to cover the route between Triabunna, TAS and Williamstown, SA.

The estimated cost of fuel to go from Triabunna to Williamstown is $228.98.

During the route, an average car will release 3,651.43 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 Triabunna, TAS and Williamstown, SA

If you want to meet halfway between Triabunna, 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 -38.106726 and 144.35875, or 38º 6' 24.2136" S, 144º 21' 31.5" E. This location is 439.14 miles away from Triabunna, TAS and Williamstown, SA and it would take approximately 10 hours 47 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	728.03 mi	1,171.65 km	632.64 nautical mi
Driving distance	878 mi	1,413.44 km	763.20 nautical mi

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