Distance between cities › Australia › South Australia › Koolunga, SA › Distance from Koolunga to St Helens Book Hotels

Distance from Koolunga, SA to St Helens, VIC

Distance

756 km

Time

9 hours 15 mins

Gas Cost

$57 - $147

There are 620.53 km (385.58 miles) from Koolunga to St Helens in southeast direction and 756.39 km (470 miles) by car, following the A66 route.

Koolunga and St Helens are 9 hours 15 mins far apart, if you drive non-stop .

This is the fastest route from Koolunga, SA to St Helens, VIC.

Please note the time difference between Koolunga, SA and St Helens, VIC is 30 minutes. The current time in Koolunga is 10:35 pm and the current time in St Helens is 11:05 pm.

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Lowest Price Rental Cars in Koolunga, SA

Planning on renting a car to go from Koolunga, SA to St Helens, VIC? Here there are some offers to rent a car in Koolunga, SA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Koolunga »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 81.60 liters of fuel to cover the route between Koolunga, SA and St Helens, VIC.

The estimated cost of fuel to go from Koolunga to St Helens is $122.40.

During the route, an average car will release 1,951.95 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 10, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Koolunga, SA and St Helens, VIC

If you want to meet halfway between Koolunga, SA and St Helens, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.936318 and 140.122599, or 35º 56' 10.7448" S, 140º 7' 21.3564" E. This location is 234.75 miles away from Koolunga, SA and St Helens, VIC and it would take approximately 4 hours 37 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Koolunga, SA and St Helens, VIC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	385.58 mi	620.53 km	335.06 nautical mi
Driving distance	470 mi	755.59 km	407.98 nautical mi

Road Trip Tips