Distance between cities › Australia › New South Wales › Gloucester, NSW › Distance from Gloucester to Williamstown Book Hotels

Distance from Gloucester, NSW to Williamstown, SA

Distance

1,599 km

Time

19 hours 47 mins

Gas Cost

$120 - $312

Helpful Inaccurate

There are 1,248.29 km (775.65 miles) from Gloucester to Williamstown in southwest direction and 1,599.69 km (994 miles) by car, following the M31 route.

Gloucester and Williamstown are 19 hours 47 mins far apart, if you drive non-stop .

This is the fastest route from Gloucester, NSW to Williamstown, SA.

Please note the time difference between Gloucester, NSW and Williamstown, SA is 30 minutes. The current time in Gloucester is 3:35 am and the current time in Williamstown is 3:05 am.

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Lowest Price Rental Cars in Gloucester, NSW

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Gloucester »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 172.68 liters of fuel to cover the route between Gloucester, NSW and Williamstown, SA.

The estimated cost of fuel to go from Gloucester to Williamstown is $259.02.

During the route, an average car will release 4,130.52 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 6, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Gloucester, NSW and Williamstown, SA

If you want to meet halfway between Gloucester, NSW 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 -34.679334 and 146.252721, or 34º 40' 45.6024" S, 146º 15' 9.7956" E. This location is 496.75 miles away from Gloucester, NSW and Williamstown, SA and it would take approximately 9 hours 53 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Gloucester, NSW and Williamstown, SA in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	775.65 mi	1,248.29 km	674.02 nautical mi
Driving distance	994 mi	1,598.89 km	863.34 nautical mi

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