Distance between cities › Australia › New South Wales › Harefield, NSW › Distance from Harefield to O B Flat Book Hotels

Distance from Harefield, NSW to O B Flat, SA

Distance

861 km

Time

10 hours 57 mins

Gas Cost

$65 - $168

Helpful Inaccurate

There are 678.82 km (421.80 miles) from Harefield to O B Flat in southwest direction and 861.00 km (535 miles) by car, following the M31 route.

Harefield and O B Flat are 10 hours 57 mins far apart, if you drive non-stop .

This is the fastest route from Harefield, NSW to O B Flat, SA.

Please note the time difference between Harefield, NSW and O B Flat, SA is 30 minutes. The current time in Harefield is 5:50 am and the current time in O B Flat is 5:20 am.

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Lowest Price Rental Cars in Harefield, NSW

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Harefield »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 92.97 liters of fuel to cover the route between Harefield, NSW and O B Flat, SA.

The estimated cost of fuel to go from Harefield to O B Flat is $139.45.

During the route, an average car will release 2,223.79 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 Harefield, NSW and O B Flat, SA

If you want to meet halfway between Harefield, NSW 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 -37.712196 and 144.880235, or 37º 42' 43.9056" S, 144º 52' 48.846" E. This location is 267.44 miles away from Harefield, NSW and O B Flat, SA and it would take approximately 5 hours 28 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Harefield, NSW and O B Flat, SA in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	421.80 mi	678.82 km	366.53 nautical mi
Driving distance	535 mi	860.81 km	464.80 nautical mi

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