Distance between cities › Australia › South Australia › Lock, SA › Distance from Lock to Coolac Book Hotels

Distance from Lock, SA to Coolac, NSW

Distance

1,489 km

Time

17 hours 53 mins

Gas Cost

$112 - $290

There are 1,154.70 km (717.50 miles) from Lock to Coolac in east direction and 1,488.64 km (925 miles) by car, following the A20 route.

Lock and Coolac are 17 hours 53 mins far apart, if you drive non-stop .

This is the fastest route from Lock, SA to Coolac, NSW.

Please note the time difference between Lock, SA and Coolac, NSW is 30 minutes. The current time in Lock is 7:47 pm and the current time in Coolac is 8:17 pm.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Coolac, NSW? Here there are some offers to rent a car in Lock, SA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Lock »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 160.83 liters of fuel to cover the route between Lock, SA and Coolac, NSW.

The estimated cost of fuel to go from Lock to Coolac is $241.25.

During the route, an average car will release 3,847.12 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 6, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Lock, SA and Coolac, NSW

If you want to meet halfway between Lock, SA and Coolac, NSW or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -34.27582 and 141.47003, or 34º 16' 32.952" S, 141º 28' 12.108" E. This location is 462.67 miles away from Lock, SA and Coolac, NSW and it would take approximately 8 hours 56 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Lock, SA and Coolac, NSW in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	717.50 mi	1,154.70 km	623.49 nautical mi
Driving distance	925 mi	1,489.19 km	804.10 nautical mi

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