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

Distance from Williamstown, SA to Simpson, VIC

Distance

666 km

Time

8 hours 47 mins

Gas Cost

$50 - $130

Helpful Inaccurate

There are 576.37 km (358.14 miles) from Williamstown to Simpson in southeast direction and 666.27 km (414 miles) by car, following the A66 route.

Williamstown and Simpson are 8 hours 47 mins far apart, if you drive non-stop .

This is the fastest route from Williamstown, SA to Simpson, VIC.

Please note the time difference between Williamstown, SA and Simpson, VIC is 30 minutes. The current time in Williamstown is 6:08 am and the current time in Simpson is 6:38 am.

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Lowest Price Rental Cars in Williamstown, SA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williamstown »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 71.93 liters of fuel to cover the route between Williamstown, SA and Simpson, VIC.

The estimated cost of fuel to go from Williamstown to Simpson is $107.90.

During the route, an average car will release 1,720.58 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 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Williamstown, SA and Simpson, VIC

If you want to meet halfway between Williamstown, SA and Simpson, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -37.076376 and 140.777898, or 37º 4' 34.9536" S, 140º 46' 40.4328" E. This location is 206.92 miles away from Williamstown, SA and Simpson, VIC and it would take approximately 4 hours 23 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	358.14 mi	576.37 km	311.22 nautical mi
Driving distance	414 mi	666.02 km	359.62 nautical mi

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