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

Distance from Gray, TAS to Williamstown, SA

Distance

1,364 km

Time

20 hours 57 mins

Gas Cost

$102 - $266

There are 1,123.76 km (698.27 miles) from Gray to Williamstown in northwest direction and 1,363.11 km (847 miles) by car and ferry, following the 1 route.

Gray and Williamstown are 20 hours 57 mins far apart, if you drive non-stop for 11 hours 57 mins and take a ferry for 9 hours .

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

Please note the time difference between Gray, TAS and Williamstown, SA is 30 minutes. The current time in Gray is 8:50 am and the current time in Williamstown is 8:20 am.

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Lowest Price Rental Cars in Gray, TAS

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Gray »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 147.29 liters of fuel to cover the route between Gray, TAS and Williamstown, SA.

The estimated cost of fuel to go from Gray to Williamstown is $220.94.

During the route, an average car will release 3,523.24 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 Gray, TAS and Williamstown, SA

If you want to meet halfway between Gray, 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 -38.028427 and 144.174645, or 38º 1' 42.3372" S, 144º 10' 28.722" E. This location is 423.72 miles away from Gray, TAS and Williamstown, SA and it would take approximately 10 hours 28 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	698.27 mi	1,123.76 km	606.78 nautical mi
Driving distance	847 mi	1,363.82 km	736.41 nautical mi

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