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

Distance from Southend, SA to Lock, SA

Distance

1,003 km

Time

11 hours 56 mins

Gas Cost

$75 - $196

There are 595.08 km (369.77 miles) from Southend to Lock in northwest direction and 1,002.62 km (623 miles) by car, following the A1 route.

Southend and Lock are 11 hours 56 mins far apart, if you drive non-stop .

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

Southend, SA and Lock, SA are in the same time zone (ACST). Current time in both locations is 6:29 pm.

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Lowest Price Rental Cars in Southend, SA

Planning on renting a car to go from Southend, SA to Lock, SA? Here there are some offers to rent a car in Southend, SA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Southend »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 108.35 liters of fuel to cover the route between Southend, SA and Lock, SA.

The estimated cost of fuel to go from Southend to Lock is $162.53.

During the route, an average car will release 2,591.83 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 Southend, SA and Lock, SA

If you want to meet halfway between Southend, SA and Lock, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.058613 and 138.885818, or 35º 3' 31.0068" S, 138º 53' 8.9448" E. This location is 311.71 miles away from Southend, SA and Lock, SA and it would take approximately 5 hours 58 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Southend, SA and Lock, 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	623 mi	1,003.28 km	541.73 nautical mi

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