Distance between cities › Australia › Queensland › Proston, QLD › Distance from Proston to Koolkhan Book Hotels

Distance from Proston, QLD to Koolkhan, NSW

Distance

599 km

Time

7 hours 42 mins

Gas Cost

$45 - $117

There are 406.14 km (252.37 miles) from Proston to Koolkhan in southeast direction and 598.68 km (372 miles) by car and ferry, following the M1 route.

Proston and Koolkhan are 7 hours 42 mins far apart, if you drive non-stop for 7 hours 39 mins and take a ferry for 2 minutes .

This is the fastest route from Proston, QLD to Koolkhan, NSW.

Please note the time difference between Proston, QLD and Koolkhan, NSW is 1 hour. The current time in Proston is 3:21 am and the current time in Koolkhan is 4:21 am.

Any questions or tips to share?

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Lowest Price Rental Cars in Proston, QLD

Planning on renting a car to go from Proston, QLD to Koolkhan, NSW? Here there are some offers to rent a car in Proston, QLD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Proston »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 64.67 liters of fuel to cover the route between Proston, QLD and Koolkhan, NSW.

The estimated cost of fuel to go from Proston to Koolkhan is $97.01.

During the route, an average car will release 1,546.92 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 Proston, QLD and Koolkhan, NSW

If you want to meet halfway between Proston, QLD and Koolkhan, NSW or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -27.648224 and 153.063981, or 27º 38' 53.6064" S, 153º 3' 50.3316" E. This location is 186.04 miles away from Proston, QLD and Koolkhan, NSW and it would take approximately 3 hours 51 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Proston, QLD and Koolkhan, NSW in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	252.37 mi	406.14 km	219.30 nautical mi
Driving distance	372 mi	598.80 km	323.33 nautical mi

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