Distance between cities › Australia › Western Australia › Onslow, WA › Distance from Onslow to Grass Flat Book Hotels

Distance from Onslow, WA to Grass Flat, VIC

Distance

4,333 km

Time

2 days 2 hours

Gas Cost

$325 - $845

There are 3,070.77 km (1,908.10 miles) from Onslow to Grass Flat in southeast direction and 4,332.35 km (2,692 miles) by car, following the 1 route.

Onslow and Grass Flat are 2 days 2 hours far apart, if you drive non-stop .

This is the fastest route from Onslow, WA to Grass Flat, VIC.

Please note the time difference between Onslow, WA and Grass Flat, VIC is 3 hours. The current time in Onslow is 3:01 am and the current time in Grass Flat is 6:01 am.

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Lowest Price Rental Cars in Onslow, WA

Planning on renting a car to go from Onslow, WA to Grass Flat, VIC? Here there are some offers to rent a car in Onslow, WA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Onslow »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 467.92 liters of fuel to cover the route between Onslow, WA and Grass Flat, VIC.

The estimated cost of fuel to go from Onslow to Grass Flat is $701.88.

During the route, an average car will release 11,192.70 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 Onslow, WA and Grass Flat, VIC

If you want to meet halfway between Onslow, WA and Grass Flat, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -32.390361 and 124.50114, or 32º 23' 25.2996" S, 124º 30' 4.104" E. This location is 1,346.08 miles away from Onslow, WA and Grass Flat, VIC and it would take approximately 1 day 1 hour to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Onslow, WA and Grass Flat, VIC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	1,908.10 mi	3,070.77 km	1,658.09 nautical mi
Driving distance	2,692 mi	4,332.61 km	2,339.43 nautical mi

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