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

Distance from Onslow, WA to Blackwall, TAS

Distance

5,141 km

Time

2 days 16 hours

Gas Cost

$386 - $1003

There are 3,694.37 km (2,295.58 miles) from Onslow to Blackwall in southeast direction and 5,141.85 km (3,195 miles) by car and ferry, following the 1 route.

Onslow and Blackwall are 2 days 16 hours far apart, if you drive non-stop for 2 days 7 hours and take a ferry for 9 hours .

This is the fastest route from Onslow, WA to Blackwall, TAS.

Please note the time difference between Onslow, WA and Blackwall, TAS is 3 hours. The current time in Onslow is 4:51 am and the current time in Blackwall is 7:51 am.

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Lowest Price Rental Cars in Onslow, WA

Planning on renting a car to go from Onslow, WA to Blackwall, TAS? 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 555.28 liters of fuel to cover the route between Onslow, WA and Blackwall, TAS.

The estimated cost of fuel to go from Onslow to Blackwall is $832.92.

During the route, an average car will release 13,282.27 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 Blackwall, TAS

If you want to meet halfway between Onslow, WA and Blackwall, TAS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -31.780281 and 128.481277, or 31º 46' 49.0116" S, 128º 28' 52.5972" E. This location is 1,597.39 miles away from Onslow, WA and Blackwall, TAS and it would take approximately 1 day 8 hours to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Onslow, WA and Blackwall, TAS in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	2,295.58 mi	3,694.37 km	1,994.81 nautical mi
Driving distance	3,195 mi	5,141.47 km	2,776.18 nautical mi

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