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

Distance from Lock, SA to Seaton, VIC

Distance

1,511 km

Time

18 hours 45 mins

Gas Cost

$113 - $295

There are 1,098.44 km (682.54 miles) from Lock to Seaton in southeast direction and 1,511.17 km (939 miles) by car, following the A1 route.

Lock and Seaton are 18 hours 45 mins far apart, if you drive non-stop .

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

Please note the time difference between Lock, SA and Seaton, VIC is 30 minutes. The current time in Lock is 2:00 pm and the current time in Seaton is 2:30 pm.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Seaton, 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 163.15 liters of fuel to cover the route between Lock, SA and Seaton, VIC.

The estimated cost of fuel to go from Lock to Seaton is $244.72.

During the route, an average car will release 3,902.50 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 7, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Lock, SA and Seaton, VIC

If you want to meet halfway between Lock, SA and Seaton, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.961815 and 140.221100, or 35º 57' 42.534" S, 140º 13' 15.96" E. This location is 469.33 miles away from Lock, SA and Seaton, VIC and it would take approximately 9 hours 22 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	682.54 mi	1,098.44 km	593.11 nautical mi
Driving distance	939 mi	1,510.63 km	815.68 nautical mi

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