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

Distance from Lock, SA to St Clair, VIC

Distance

1,457 km

Time

18 hours 1 min

Gas Cost

$109 - $284

There are 1,048.82 km (651.71 miles) from Lock to St Clair in southeast direction and 1,458.07 km (906 miles) by car, following the A1 route.

Lock and St Clair are 18 hours 1 min far apart, if you drive non-stop .

This is the fastest route from Lock, SA to St Clair, VIC.

Please note the time difference between Lock, SA and St Clair, VIC is 30 minutes. The current time in Lock is 4:03 pm and the current time in St Clair is 4:33 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Lock, SA to St Clair, VIC:

Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to St Clair, VIC? 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 157.41 liters of fuel to cover the route between Lock, SA and St Clair, VIC.

The estimated cost of fuel to go from Lock to St Clair is $236.11.

During the route, an average car will release 3,765.23 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 5, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Lock, SA and St Clair, VIC

If you want to meet halfway between Lock, SA and St Clair, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.711126 and 139.869335, or 35º 42' 40.0536" S, 139º 52' 9.606" E. This location is 452.82 miles away from Lock, SA and St Clair, VIC and it would take approximately 9 hours to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Lock, SA and St Clair, VIC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	651.71 mi	1,048.82 km	566.32 nautical mi
Driving distance	906 mi	1,457.49 km	786.99 nautical mi

Road Trip Tips