Distance between cities › Australia › New South Wales › Napier, NSW › Distance from Napier to Lock Book Hotels

Distance from Napier, NSW to Lock, SA

Distance

1,375 km

Time

16 hours 29 mins

Gas Cost

$103 - $268

There are 1,027.99 km (638.77 miles) from Napier to Lock in west direction and 1,374.38 km (854 miles) by car, following the A1 route.

Napier and Lock are 16 hours 29 mins far apart, if you drive non-stop .

This is the fastest route from Napier, NSW to Lock, SA.

Please note the time difference between Napier, NSW and Lock, SA is 30 minutes. The current time in Napier is 4:39 am and the current time in Lock is 4:09 am.

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Lowest Price Rental Cars in Napier, NSW

Planning on renting a car to go from Napier, NSW to Lock, SA? Here there are some offers to rent a car in Napier, NSW

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Napier »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 148.45 liters of fuel to cover the route between Napier, NSW and Lock, SA.

The estimated cost of fuel to go from Napier to Lock is $222.68.

During the route, an average car will release 3,551.03 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 Napier, NSW and Lock, SA

If you want to meet halfway between Napier, NSW and Lock, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -34.179149 and 140.76182, or 34º 10' 44.9364" S, 140º 45' 42.552" E. This location is 427.06 miles away from Napier, NSW and Lock, SA and it would take approximately 8 hours 14 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	638.77 mi	1,027.99 km	555.07 nautical mi
Driving distance	854 mi	1,374.58 km	742.21 nautical mi

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