Distance between cities › Australia › Western Australia › Grass Patch, WA › Distance from Grass Patch to St Marys Book Hotels

Distance from Grass Patch, WA to St Marys, TAS

Distance

3,461 km

Time

1 day 21 hours

Gas Cost

$260 - $675

Helpful Inaccurate

There are 2,502.34 km (1,554.88 miles) from Grass Patch to St Marys in southeast direction and 3,461.70 km (2,151 miles) by car and ferry, following the 1 route.

Grass Patch and St Marys are 1 day 21 hours far apart, if you drive non-stop for 1 day 12 hours and take a ferry for 9 hours .

This is the fastest route from Grass Patch, WA to St Marys, TAS.

Please note the time difference between Grass Patch, WA and St Marys, TAS is 3 hours. The current time in Grass Patch is 1:03 pm and the current time in St Marys is 4:03 pm.

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Lowest Price Rental Cars in Grass Patch, WA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Grass Patch »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 373.81 liters of fuel to cover the route between Grass Patch, WA and St Marys, TAS.

The estimated cost of fuel to go from Grass Patch to St Marys is $560.72.

During the route, an average car will release 8,941.54 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 9, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Grass Patch, WA and St Marys, TAS

If you want to meet halfway between Grass Patch, WA 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 -32.788775 and 137.068077, or 32º 47' 19.59" S, 137º 4' 5.0772" E. This location is 1,075.35 miles away from Grass Patch, WA and St Marys, TAS and it would take approximately 22 hours 32 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Grass Patch, WA and St Marys, TAS in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	1,554.88 mi	2,502.34 km	1,351.16 nautical mi
Driving distance	2,151 mi	3,461.21 km	1,868.91 nautical mi

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