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

Distance from Lock, SA to Cairns, QLD

Distance

3,152 km

Time

1 day 15 hours

Gas Cost

$236 - $615

There are 2,105.02 km (1,308 miles) from Lock to Cairns in northeast direction and 3,151.10 km (1,958 miles) by car, following the Aramac Torrens Creek Road route.

Lock and Cairns are 1 day 15 hours far apart, if you drive non-stop .

This is the fastest route from Lock, SA to Cairns, QLD.

Please note the time difference between Lock, SA and Cairns, QLD is 30 minutes. The current time in Lock is 3:39 am and the current time in Cairns is 3:09 am.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Cairns, QLD? 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 340.37 liters of fuel to cover the route between Lock, SA and Cairns, QLD.

The estimated cost of fuel to go from Lock to Cairns is $510.55.

During the route, an average car will release 8,141.56 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 Lock, SA and Cairns, QLD

If you want to meet halfway between Lock, SA and Cairns, QLD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -28.505139 and 145.761744, or 28º 30' 18.5004" S, 145º 45' 42.2784" E. This location is 979.14 miles away from Lock, SA and Cairns, QLD and it would take approximately 19 hours 54 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Lock, SA and Cairns, QLD in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	1,308 mi	2,105.02 km	1,136.62 nautical mi
Driving distance	1,958 mi	3,151.54 km	1,701.70 nautical mi

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