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

Distance from Lock, SA to Southend, SA

Distance

990 km

Time

11 hours 49 mins

Gas Cost

$74 - $193

There are 595.08 km (369.77 miles) from Lock to Southend in southeast direction and 989.75 km (615 miles) by car, following the B1 route.

Lock and Southend are 11 hours 49 mins far apart, if you drive non-stop .

This is the fastest route from Lock, SA to Southend, SA.

Lock, SA and Southend, SA are in the same time zone (ACST). Current time in both locations is 4:47 pm.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Southend, SA? 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 106.89 liters of fuel to cover the route between Lock, SA and Southend, SA.

The estimated cost of fuel to go from Lock to Southend is $160.33.

During the route, an average car will release 2,556.71 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 9, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Lock, SA and Southend, SA

If you want to meet halfway between Lock, SA and Southend, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -34.382645 and 138.325165, or 34º 22' 57.522" S, 138º 19' 30.594" E. This location is 307.48 miles away from Lock, SA and Southend, SA and it would take approximately 5 hours 54 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	369.77 mi	595.08 km	321.32 nautical mi
Driving distance	615 mi	989.69 km	534.39 nautical mi

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