Distance between cities › Australia › South Australia › Willunga, SA › Distance from Willunga to Grass Flat Book Hotels

Distance from Willunga, SA to Grass Flat, VIC

Distance

423 km

Time

5 hours 20 mins

Gas Cost

$32 - $82

There are 334.57 km (207.89 miles) from Willunga to Grass Flat in southeast direction and 423.26 km (263 miles) by car, following the A8 route.

Willunga and Grass Flat are 5 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Willunga, SA to Grass Flat, VIC.

Please note the time difference between Willunga, SA and Grass Flat, VIC is 30 minutes. The current time in Willunga is 3:56 am and the current time in Grass Flat is 4:26 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Willunga, SA to Grass Flat, VIC:

Lowest Price Rental Cars in Willunga, SA

Planning on renting a car to go from Willunga, SA to Grass Flat, VIC? Here there are some offers to rent a car in Willunga, SA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Willunga »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 45.68 liters of fuel to cover the route between Willunga, SA and Grass Flat, VIC.

The estimated cost of fuel to go from Willunga to Grass Flat is $68.53.

During the route, an average car will release 1,092.76 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 9, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Willunga, SA and Grass Flat, VIC

If you want to meet halfway between Willunga, SA and Grass Flat, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.947839 and 140.180858, or 35º 56' 52.2204" S, 140º 10' 51.0888" E. This location is 131.42 miles away from Willunga, SA and Grass Flat, VIC and it would take approximately 2 hours 40 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Willunga, SA and Grass Flat, VIC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	207.89 mi	334.57 km	180.65 nautical mi
Driving distance	263 mi	423 km	228.40 nautical mi

Road Trip Tips