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

Distance from Lock, SA to Culcairn, NSW

Distance

1,428 km

Time

17 hours 11 mins

Gas Cost

$107 - $278

There are 1,058.10 km (657.48 miles) from Lock to Culcairn in southeast direction and 1,427.49 km (887 miles) by car, following the A20 route.

Lock and Culcairn are 17 hours 11 mins far apart, if you drive non-stop .

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

Please note the time difference between Lock, SA and Culcairn, NSW is 30 minutes. The current time in Lock is 12:59 am and the current time in Culcairn is 1:29 am.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Culcairn, 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 154.18 liters of fuel to cover the route between Lock, SA and Culcairn, NSW.

The estimated cost of fuel to go from Lock to Culcairn is $231.27.

During the route, an average car will release 3,687.96 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 Culcairn, NSW

If you want to meet halfway between Lock, SA and Culcairn, NSW or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -34.274961 and 141.109973, or 34º 16' 29.8596" S, 141º 6' 35.9028" E. This location is 443.53 miles away from Lock, SA and Culcairn, NSW and it would take approximately 8 hours 35 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	657.48 mi	1,058.10 km	571.33 nautical mi
Driving distance	887 mi	1,427.58 km	770.83 nautical mi

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