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

Distance from Lock, SA to Gerroa, NSW

Distance

1,777 km

Time

21 hours 40 mins

Gas Cost

$133 - $346

There are 1,390.47 km (864 miles) from Lock to Gerroa in east direction and 1,776.72 km (1,104 miles) by car, following the A20 route.

Lock and Gerroa are 21 hours 40 mins far apart, if you drive non-stop .

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

Please note the time difference between Lock, SA and Gerroa, NSW is 30 minutes. The current time in Lock is 6:20 am and the current time in Gerroa is 6:50 am.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Gerroa, 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 191.90 liters of fuel to cover the route between Lock, SA and Gerroa, NSW.

The estimated cost of fuel to go from Lock to Gerroa is $287.86.

During the route, an average car will release 4,590.34 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 6, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Lock, SA and Gerroa, NSW

If you want to meet halfway between Lock, SA and Gerroa, NSW or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -34.565548 and 142.934509, or 34º 33' 55.9728" S, 142º 56' 4.2324" E. This location is 552.05 miles away from Lock, SA and Gerroa, NSW and it would take approximately 10 hours 50 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	864 mi	1,390.47 km	750.79 nautical mi
Driving distance	1,104 mi	1,776.89 km	959.44 nautical mi

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