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

Distance from Lock, SA to Colac, VIC

Distance

1,270 km

Time

15 hours 34 mins

Gas Cost

$95 - $248

There are 881.71 km (547.87 miles) from Lock to Colac in southeast direction and 1,269.77 km (789 miles) by car, following the A1 route.

Lock and Colac are 15 hours 34 mins far apart, if you drive non-stop .

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

Please note the time difference between Lock, SA and Colac, VIC is 30 minutes. The current time in Lock is 6:57 pm and the current time in Colac is 7:27 pm.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Colac, 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 137.12 liters of fuel to cover the route between Lock, SA and Colac, VIC.

The estimated cost of fuel to go from Lock to Colac is $205.68.

During the route, an average car will release 3,279.89 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 8, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Lock, SA and Colac, VIC

If you want to meet halfway between Lock, SA and Colac, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.130914 and 139.088728, or 35º 7' 51.2904" S, 139º 5' 19.4208" E. This location is 394.45 miles away from Lock, SA and Colac, VIC and it would take approximately 7 hours 47 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	547.87 mi	881.71 km	476.09 nautical mi
Driving distance	789 mi	1,269.62 km	685.54 nautical mi

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