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

Distance from Lock, SA to Lake St Clair, TAS

Distance

1,924 km

Time

1 day 3 hours

Gas Cost

$144 - $375

There are 1,312.45 km (815.52 miles) from Lock to Lake St Clair in southeast direction and 1,923.17 km (1,195 miles) by car and ferry, following the 1 route.

Lock and Lake St Clair are 1 day 3 hours far apart, if you drive non-stop for 18 hours 55 mins and take a ferry for 9 hours .

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

Please note the time difference between Lock, SA and Lake St Clair, TAS is 30 minutes. The current time in Lock is 1:08 pm and the current time in Lake St Clair is 1:38 pm.

Any questions or tips to share?

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

Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Lake St Clair, TAS? 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 207.75 liters of fuel to cover the route between Lock, SA and Lake St Clair, TAS.

The estimated cost of fuel to go from Lock to Lake St Clair is $311.63.

During the route, an average car will release 4,969.42 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 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Lock, SA and Lake St Clair, TAS

If you want to meet halfway between Lock, SA and Lake St Clair, TAS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -36.410561 and 141.976212, or 36º 24' 38.0196" S, 141º 58' 34.3632" E. This location is 597.64 miles away from Lock, SA and Lake St Clair, TAS and it would take approximately 13 hours 57 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	815.52 mi	1,312.45 km	708.67 nautical mi
Driving distance	1,195 mi	1,923.63 km	1,038.68 nautical mi

Road Trip Tips