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

Distance from Williamstown, SA to Mepunga, VIC

Distance

631 km

Time

8 hours 17 mins

Gas Cost

$47 - $123

Helpful Inaccurate

There are 542.50 km (337.10 miles) from Williamstown to Mepunga in southeast direction and 630.86 km (392 miles) by car, following the A66 route.

Williamstown and Mepunga are 8 hours 17 mins far apart, if you drive non-stop .

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

Please note the time difference between Williamstown, SA and Mepunga, VIC is 30 minutes. The current time in Williamstown is 4:21 am and the current time in Mepunga is 4:51 am.

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Lowest Price Rental Cars in Williamstown, SA

Planning on renting a car to go from Williamstown, SA to Mepunga, 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 68.12 liters of fuel to cover the route between Williamstown, SA and Mepunga, VIC.

The estimated cost of fuel to go from Williamstown to Mepunga is $102.17.

During the route, an average car will release 1,629.34 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 Mepunga, VIC

If you want to meet halfway between Williamstown, SA and Mepunga, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -36.888979 and 140.700549, or 36º 53' 20.3244" S, 140º 42' 1.9764" E. This location is 195.95 miles away from Williamstown, SA and Mepunga, VIC and it would take approximately 4 hours 8 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	337.10 mi	542.50 km	292.93 nautical mi
Driving distance	392 mi	630.71 km	340.56 nautical mi

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