Distance between cities › Australia › South Australia › O B Flat, SA › Distance from O B Flat to Onslow Book Hotels

Distance from O B Flat, SA to Onslow, WA

Distance

4,367 km

Time

2 days 3 hours

Gas Cost

$328 - $852

There are 3,050.11 km (1,895.26 miles) from O B Flat to Onslow in northwest direction and 4,367.76 km (2,714 miles) by car, following the A1 route.

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

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

Please note the time difference between O B Flat, SA and Onslow, WA is 2 hours and 30 minutes. The current time in O B Flat is 5:34 am and the current time in Onslow is 3:04 am.

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Lowest Price Rental Cars in O B Flat, SA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in O B Flat »

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 O B Flat, SA and Onslow, WA.

The estimated cost of fuel to go from O B Flat to Onslow is $707.47.

During the route, an average car will release 11,281.71 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 O B Flat, SA and Onslow, WA

If you want to meet halfway between O B Flat, SA and Onslow, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -32.392502 and 124.468300, or 32º 23' 33.0072" S, 124º 28' 5.88" E. This location is 1,356.79 miles away from O B Flat, SA and Onslow, WA 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 O B Flat, SA and Onslow, WA 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	4,367.07 km	2,358.03 nautical mi

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