Distance between cities › Australia › South Australia › Willunga, SA › Distance from Willunga to St Marys Book Hotels

Distance from Willunga, SA to St Marys, TAS

Distance

1,372 km

Time

20 hours 58 mins

Gas Cost

$103 - $268

There are 1,092.52 km (678.86 miles) from Willunga to St Marys in southeast direction and 1,372.77 km (853 miles) by car and ferry, following the 1 route.

Willunga and St Marys are 20 hours 58 mins far apart, if you drive non-stop for 11 hours 58 mins and take a ferry for 9 hours .

This is the fastest route from Willunga, SA to St Marys, TAS.

Please note the time difference between Willunga, SA and St Marys, TAS is 30 minutes. The current time in Willunga is 12:44 pm and the current time in St Marys is 1:14 pm.

Any questions or tips to share?

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Lowest Price Rental Cars in Willunga, SA

Planning on renting a car to go from Willunga, SA to St Marys, TAS? Here there are some offers to rent a car in Willunga, SA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Willunga »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 148.22 liters of fuel to cover the route between Willunga, SA and St Marys, TAS.

The estimated cost of fuel to go from Willunga to St Marys is $222.33.

During the route, an average car will release 3,545.41 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 Willunga, SA and St Marys, TAS

If you want to meet halfway between Willunga, SA and St Marys, TAS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -37.918615 and 144.103655, or 37º 55' 7.014" S, 144º 6' 13.158" E. This location is 426.39 miles away from Willunga, SA and St Marys, TAS and it would take approximately 10 hours 29 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Willunga, SA and St Marys, TAS in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	678.86 mi	1,092.52 km	589.91 nautical mi
Driving distance	853 mi	1,372.40 km	741.04 nautical mi

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