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

Distance from Lock, SA to Mt Barker, SA

Distance

627 km

Time

7 hours 33 mins

Gas Cost

$47 - $122

There are 331.28 km (205.85 miles) from Lock to Mt Barker in southeast direction and 627.64 km (390 miles) by car, following the A1 route.

Lock and Mt Barker are 7 hours 33 mins far apart, if you drive non-stop .

This is the fastest route from Lock, SA to Mt Barker, SA.

Lock, SA and Mt Barker, SA are in the same time zone (ACST). Current time in both locations is 12:14 pm.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Mt Barker, 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 67.74 liters of fuel to cover the route between Lock, SA and Mt Barker, SA.

The estimated cost of fuel to go from Lock to Mt Barker is $101.60.

During the route, an average car will release 1,620.22 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 Mt Barker, SA

If you want to meet halfway between Lock, SA and Mt Barker, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -33.892235 and 137.558411, or 33º 53' 32.046" S, 137º 33' 30.2796" E. This location is 194.86 miles away from Lock, SA and Mt Barker, SA and it would take approximately 3 hours 46 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	205.85 mi	331.28 km	178.88 nautical mi
Driving distance	390 mi	627.18 km	338.65 nautical mi

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