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

Distance from Lock, SA to Marulan, NSW

Distance

1,671 km

Time

19 hours 57 mins

Gas Cost

$125 - $326

There are 1,316.06 km (817.76 miles) from Lock to Marulan in east direction and 1,670.50 km (1,038 miles) by car, following the A20 route.

Lock and Marulan are 19 hours 57 mins far apart, if you drive non-stop .

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

Please note the time difference between Lock, SA and Marulan, NSW is 30 minutes. The current time in Lock is 12:20 pm and the current time in Marulan is 12:50 pm.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Marulan, 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 180.44 liters of fuel to cover the route between Lock, SA and Marulan, NSW.

The estimated cost of fuel to go from Lock to Marulan is $270.66.

During the route, an average car will release 4,316.19 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 Marulan, NSW

If you want to meet halfway between Lock, SA and Marulan, NSW or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -34.289573 and 142.30661, or 34º 17' 22.4628" S, 142º 18' 23.796" E. This location is 519.08 miles away from Lock, SA and Marulan, NSW and it would take approximately 9 hours 58 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	817.76 mi	1,316.06 km	710.62 nautical mi
Driving distance	1,038 mi	1,670.76 km	902.14 nautical mi

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