Distance between cities › Australia › Western Australia › Williams, WA › Distance from Williams to Koolunga Book Hotels

Distance from Williams, WA to Koolunga, SA

Distance

2,516 km

Time

1 day 5 hours

Gas Cost

$189 - $491

There are 1,987.13 km (1,234.75 miles) from Williams to Koolunga in east direction and 2,515.40 km (1,563 miles) by car, following the 1 route.

Williams and Koolunga are 1 day 5 hours far apart, if you drive non-stop .

This is the fastest route from Williams, WA to Koolunga, SA.

Please note the time difference between Williams, WA and Koolunga, SA is 2 hours and 30 minutes. The current time in Williams is 2:21 pm and the current time in Koolunga is 4:51 pm.

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Lowest Price Rental Cars in Williams, WA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williams »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 271.69 liters of fuel to cover the route between Williams, WA and Koolunga, SA.

The estimated cost of fuel to go from Williams to Koolunga is $407.54.

During the route, an average car will release 6,498.83 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 5, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Williams, WA and Koolunga, SA

If you want to meet halfway between Williams, WA and Koolunga, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -31.908743 and 127.220612, or 31º 54' 31.4748" S, 127º 13' 14.2032" E. This location is 781.58 miles away from Williams, WA and Koolunga, SA and it would take approximately 14 hours 33 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	1,234.75 mi	1,987.13 km	1,072.97 nautical mi
Driving distance	1,563 mi	2,515.65 km	1,358.35 nautical mi

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