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

Distance from Lock, SA to Northam, WA

Distance

2,100 km

Time

1 day

Gas Cost

$157 - $409

There are 1,798.13 km (1,117.31 miles) from Lock to Northam in west direction and 2,100.19 km (1,305 miles) by car, following the A1 route.

Lock and Northam are 1 day far apart, if you drive non-stop .

This is the fastest route from Lock, SA to Northam, WA.

Please note the time difference between Lock, SA and Northam, WA is 2 hours and 30 minutes. The current time in Lock is 5:51 pm and the current time in Northam is 3:21 pm.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Northam, WA? 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 226.78 liters of fuel to cover the route between Lock, SA and Northam, WA.

The estimated cost of fuel to go from Lock to Northam is $340.18.

During the route, an average car will release 5,424.68 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 Lock, SA and Northam, WA

If you want to meet halfway between Lock, SA and Northam, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -32.032371 and 126.030986, or 32º 1' 56.5356" S, 126º 1' 51.5496" E. This location is 652.40 miles away from Lock, SA and Northam, WA and it would take approximately 12 hours 7 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	1,117.31 mi	1,798.13 km	970.91 nautical mi
Driving distance	1,305 mi	2,099.85 km	1,133.83 nautical mi

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