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

Distance from Lock, SA to Sydney, NSW

Distance

1,837 km

Time

21 hours 58 mins

Gas Cost

$138 - $358

There are 1,428.37 km (887.55 miles) from Lock to Sydney in east direction and 1,836.26 km (1,141 miles) by car, following the A20 route.

Lock and Sydney are 21 hours 58 mins far apart, if you drive non-stop .

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

Please note the time difference between Lock, SA and Sydney, NSW is 30 minutes. The current time in Lock is 2:07 am and the current time in Sydney is 2:37 am.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Sydney, 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 198.34 liters of fuel to cover the route between Lock, SA and Sydney, NSW.

The estimated cost of fuel to go from Lock to Sydney is $297.51.

During the route, an average car will release 4,744.34 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 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Lock, SA and Sydney, NSW

If you want to meet halfway between Lock, SA and Sydney, NSW or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -34.541274 and 142.998558, or 34º 32' 28.5864" S, 142º 59' 54.8088" E. This location is 570.58 miles away from Lock, SA and Sydney, NSW and it would take approximately 10 hours 59 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	887.55 mi	1,428.37 km	771.26 nautical mi
Driving distance	1,141 mi	1,836.50 km	991.63 nautical mi

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