Distance between cities › Australia › New South Wales › Long Flat, NSW › Distance from Long Flat to Mt Barker Book Hotels

Distance from Long Flat, NSW to Mt Barker, SA

Distance

1,671 km

Time

20 hours 55 mins

Gas Cost

$125 - $326

Helpful Inaccurate

There are 1,328.47 km (825.47 miles) from Long Flat to Mt Barker in southwest direction and 1,670.50 km (1,038 miles) by car, following the B12 route.

Long Flat and Mt Barker are 20 hours 55 mins far apart, if you drive non-stop .

This is the fastest route from Long Flat, NSW to Mt Barker, SA.

Please note the time difference between Long Flat, NSW and Mt Barker, SA is 30 minutes. The current time in Long Flat is 9:34 pm and the current time in Mt Barker is 9:04 pm.

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Lowest Price Rental Cars in Long Flat, NSW

Planning on renting a car to go from Long Flat, NSW to Mt Barker, SA? Here there are some offers to rent a car in Long Flat, NSW

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Long Flat »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 180.45 liters of fuel to cover the route between Long Flat, NSW and Mt Barker, SA.

The estimated cost of fuel to go from Long Flat to Mt Barker is $270.68.

During the route, an average car will release 4,316.38 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 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Long Flat, NSW and Mt Barker, SA

If you want to meet halfway between Long Flat, NSW and Mt Barker, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -33.870665 and 146.470275, or 33º 52' 14.394" S, 146º 28' 12.99" E. This location is 519.11 miles away from Long Flat, NSW and Mt Barker, SA and it would take approximately 10 hours 27 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Long Flat, NSW and Mt Barker, SA in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	825.47 mi	1,328.47 km	717.32 nautical mi
Driving distance	1,038 mi	1,670.84 km	902.18 nautical mi

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