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

Distance from Lock, SA to Gladstone, SA

Distance

405 km

Time

4 hours 46 mins

Gas Cost

$30 - $79

There are 243.29 km (151.17 miles) from Lock to Gladstone in east direction and 403.95 km (251 miles) by car, following the A1 route.

Lock and Gladstone are 4 hours 46 mins far apart, if you drive non-stop .

This is the fastest route from Lock, SA to Gladstone, SA.

Lock, SA and Gladstone, SA are in the same time zone (ACST). Current time in both locations is 11:09 pm.

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Lowest Price Rental Cars in Lock, SA

Planning on renting a car to go from Lock, SA to Gladstone, SA? 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 43.70 liters of fuel to cover the route between Lock, SA and Gladstone, SA.

The estimated cost of fuel to go from Lock to Gladstone is $65.55.

During the route, an average car will release 1,045.23 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 10, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Lock, SA and Gladstone, SA

If you want to meet halfway between Lock, SA and Gladstone, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -32.738445 and 137.117447, or 32º 44' 18.402" S, 137º 7' 2.8092" E. This location is 125.70 miles away from Lock, SA and Gladstone, SA and it would take approximately 2 hours 23 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	151.17 mi	243.29 km	131.37 nautical mi
Driving distance	251 mi	404.60 km	218.47 nautical mi

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