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

Distance from Lock, SA to Environa, NSW

Distance

1,644 km

Time

19 hours 57 mins

Gas Cost

$123 - $320

There are 1,246.49 km (774.53 miles) from Lock to Environa in east direction and 1,643.14 km (1,021 miles) by car, following the A20 route.

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

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

Please note the time difference between Lock, SA and Environa, NSW is 30 minutes. The current time in Lock is 12:42 am and the current time in Environa is 1:12 am.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Environa, 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 177.50 liters of fuel to cover the route between Lock, SA and Environa, NSW.

The estimated cost of fuel to go from Lock to Environa is $266.25.

During the route, an average car will release 4,245.80 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 Environa, NSW

If you want to meet halfway between Lock, SA and Environa, NSW or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -34.174289 and 142.194397, or 34º 10' 27.4404" S, 142º 11' 39.8292" E. This location is 510.62 miles away from Lock, SA and Environa, 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 Environa, NSW in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	774.53 mi	1,246.49 km	673.05 nautical mi
Driving distance	1,021 mi	1,643.52 km	887.43 nautical mi

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