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

Distance from Williamstown, SA to Undera, VIC

Distance

709 km

Time

9 hours 12 mins

Gas Cost

$53 - $138

Helpful Inaccurate

There are 599.81 km (372.71 miles) from Williamstown to Undera in southeast direction and 709.72 km (441 miles) by car, following the B12 and B57 route.

Williamstown and Undera are 9 hours 12 mins far apart, if you drive non-stop .

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

Please note the time difference between Williamstown, SA and Undera, VIC is 30 minutes. The current time in Williamstown is 4:24 am and the current time in Undera is 4:54 am.

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Lowest Price Rental Cars in Williamstown, SA

Planning on renting a car to go from Williamstown, SA to Undera, 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 76.57 liters of fuel to cover the route between Williamstown, SA and Undera, VIC.

The estimated cost of fuel to go from Williamstown to Undera is $114.86.

During the route, an average car will release 1,831.63 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 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Williamstown, SA and Undera, VIC

If you want to meet halfway between Williamstown, SA and Undera, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.109826 and 142.10577, or 35º 6' 35.3736" S, 142º 6' 20.772" E. This location is 220.28 miles away from Williamstown, SA and Undera, VIC and it would take approximately 4 hours 36 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	372.71 mi	599.81 km	323.87 nautical mi
Driving distance	441 mi	709.01 km	382.84 nautical mi

Road Trip Tips