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

Distance from Grantham, QLD to Koolkhan, NSW

Distance

395 km

Time

4 hours 56 mins

Gas Cost

$30 - $77

There are 237.16 km (147.36 miles) from Grantham to Koolkhan in southeast direction and 394.29 km (245 miles) by car and ferry, following the M1 route.

Grantham and Koolkhan are 4 hours 56 mins far apart, if you drive non-stop for 4 hours 53 mins and take a ferry for 2 minutes .

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

Please note the time difference between Grantham, QLD and Koolkhan, NSW is 1 hour. The current time in Grantham is 11:09 pm (Mar 10) and the current time in Koolkhan is 12:09 am (Mar 11).

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Lowest Price Rental Cars in Grantham, QLD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Grantham »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 42.61 liters of fuel to cover the route between Grantham, QLD and Koolkhan, NSW.

The estimated cost of fuel to go from Grantham to Koolkhan is $63.92.

During the route, an average car will release 1,019.32 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 Grantham, QLD and Koolkhan, NSW

If you want to meet halfway between Grantham, 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 -28.392397 and 152.634796, or 28º 23' 32.6292" S, 152º 38' 5.2656" E. This location is 122.59 miles away from Grantham, QLD and Koolkhan, NSW and it would take approximately 2 hours 28 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	147.36 mi	237.16 km	128.05 nautical mi
Driving distance	245 mi	394.57 km	213.05 nautical mi

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