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

Distance from Onslow, WA to O B Flat, SA

Distance

4,367 km

Time

2 days 3 hours

Gas Cost

$328 - $852

There are 3,050.11 km (1,895.26 miles) from Onslow to O B Flat in southeast direction and 4,367.76 km (2,714 miles) by car, following the 1 route.

Onslow and O B Flat are 2 days 3 hours far apart, if you drive non-stop .

This is the fastest route from Onslow, WA to O B Flat, SA.

Please note the time difference between Onslow, WA and O B Flat, SA is 2 hours and 30 minutes. The current time in Onslow is 4:26 am and the current time in O B Flat is 6:56 am.

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Lowest Price Rental Cars in Onslow, WA

Planning on renting a car to go from Onslow, WA to O B Flat, SA? 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 471.64 liters of fuel to cover the route between Onslow, WA and O B Flat, SA.

The estimated cost of fuel to go from Onslow to O B Flat is $707.46.

During the route, an average car will release 11,281.62 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 O B Flat, SA

If you want to meet halfway between Onslow, WA and O B Flat, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -32.383734 and 124.557116, or 32º 23' 1.4424" S, 124º 33' 25.6176" E. This location is 1,356.78 miles away from Onslow, WA and O B Flat, SA 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 O B Flat, SA in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	1,895.26 mi	3,050.11 km	1,646.93 nautical mi
Driving distance	2,714 mi	4,367.03 km	2,358.01 nautical mi

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