Distance between cities › Australia › South Australia › Koolunga, SA › Distance from Koolunga to Williamstown Book Hotels

Distance from Koolunga, SA to Williamstown, SA

Distance

184 km

Time

2 hours 23 mins

Gas Cost

$14 - $36

Helpful Inaccurate

There are 134.39 km (83.51 miles) from Koolunga to Williamstown in southeast direction and 183.47 km (114 miles) by car, following the A1 route.

Koolunga and Williamstown are 2 hours 23 mins far apart, if you drive non-stop .

This is the fastest route from Koolunga, SA to Williamstown, SA.

Koolunga, SA and Williamstown, SA are in the same time zone (ACST). Current time in both locations is 7:22 pm.

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Lowest Price Rental Cars in Koolunga, SA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Koolunga »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 19.89 liters of fuel to cover the route between Koolunga, SA and Williamstown, SA.

The estimated cost of fuel to go from Koolunga to Williamstown is $29.83.

During the route, an average car will release 475.69 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 Koolunga, SA and Williamstown, SA

If you want to meet halfway between Koolunga, SA 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 -34.277805 and 138.237122, or 34º 16' 40.098" S, 138º 14' 13.6392" E. This location is 57.21 miles away from Koolunga, SA and Williamstown, SA and it would take approximately 1 hour 11 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	83.51 mi	134.39 km	72.57 nautical mi
Driving distance	114 mi	184.14 km	99.43 nautical mi

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