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

Distance from Williamstown, SA to Lock, SA

Distance

606 km

Time

7 hours 15 mins

Gas Cost

$45 - $118

Helpful Inaccurate

There are 313.38 km (194.73 miles) from Williamstown to Lock in northwest direction and 606.72 km (377 miles) by car, following the A1 route.

Williamstown and Lock are 7 hours 15 mins far apart, if you drive non-stop .

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

Williamstown, SA and Lock, SA are in the same time zone (ACST). Current time in both locations is 12:32 am.

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Lowest Price Rental Cars in Williamstown, SA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williamstown »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 65.48 liters of fuel to cover the route between Williamstown, SA and Lock, SA.

The estimated cost of fuel to go from Williamstown to Lock is $98.22.

During the route, an average car will release 1,566.35 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 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Williamstown, SA and Lock, SA

If you want to meet halfway between Williamstown, 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 -32.603153 and 137.898544, or 32º 36' 11.3508" S, 137º 53' 54.7584" E. This location is 188.38 miles away from Williamstown, SA and Lock, SA and it would take approximately 3 hours 37 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	194.73 mi	313.38 km	169.21 nautical mi
Driving distance	377 mi	606.32 km	327.39 nautical mi

Road Trip Tips