Distance between cities › Australia › Victoria › Mount Napier, VIC › Distance from Mount Napier to Koolunga Book Hotels

Distance from Mount Napier, VIC to Koolunga, SA

Distance

718 km

Time

9 hours 28 mins

Gas Cost

$54 - $140

There are 588.86 km (365.90 miles) from Mount Napier to Koolunga in northwest direction and 717.77 km (446 miles) by car, following the A66 route.

Mount Napier and Koolunga are 9 hours 28 mins far apart, if you drive non-stop .

This is the fastest route from Mount Napier, VIC to Koolunga, SA.

Please note the time difference between Mount Napier, VIC and Koolunga, SA is 30 minutes. The current time in Mount Napier is 11:30 am and the current time in Koolunga is 11:00 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Mount Napier, VIC to Koolunga, SA:

Lowest Price Rental Cars in Mount Napier, VIC

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Mount Napier »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 77.58 liters of fuel to cover the route between Mount Napier, VIC and Koolunga, SA.

The estimated cost of fuel to go from Mount Napier to Koolunga is $116.37.

During the route, an average car will release 1,855.65 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 Mount Napier, VIC and Koolunga, SA

If you want to meet halfway between Mount Napier, VIC and Koolunga, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.803928 and 139.952942, or 35º 48' 14.1408" S, 139º 57' 10.5912" E. This location is 223.17 miles away from Mount Napier, VIC and Koolunga, SA and it would take approximately 4 hours 44 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	365.90 mi	588.86 km	317.96 nautical mi
Driving distance	446 mi	718.31 km	387.86 nautical mi

Road Trip Tips