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

Distance from Ootha, NSW to Williamstown, SA

Distance

992 km

Time

12 hours 20 mins

Gas Cost

$74 - $193

There are 804.06 km (499.62 miles) from Ootha to Williamstown in southwest direction and 992.97 km (617 miles) by car, following the A20 route.

Ootha and Williamstown are 12 hours 20 mins far apart, if you drive non-stop .

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

Please note the time difference between Ootha, NSW and Williamstown, SA is 30 minutes. The current time in Ootha is 3:02 pm and the current time in Williamstown is 2:32 pm.

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Lowest Price Rental Cars in Ootha, NSW

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ootha »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 107.15 liters of fuel to cover the route between Ootha, NSW and Williamstown, SA.

The estimated cost of fuel to go from Ootha to Williamstown is $160.73.

During the route, an average car will release 2,563.12 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 Ootha, NSW and Williamstown, SA

If you want to meet halfway between Ootha, 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 -34.619304 and 143.359697, or 34º 37' 9.4944" S, 143º 21' 34.9092" E. This location is 308.25 miles away from Ootha, NSW and Williamstown, SA and it would take approximately 6 hours 10 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	499.62 mi	804.06 km	434.16 nautical mi
Driving distance	617 mi	992.17 km	535.73 nautical mi

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