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

Distance from O B Flat, SA to Smithtown, NSW

Distance

1,690 km

Time

20 hours 21 mins

Gas Cost

$127 - $330

There are 1,350.62 km (839.24 miles) from O B Flat to Smithtown in northeast direction and 1,689.81 km (1,050 miles) by car, following the M31 route.

O B Flat and Smithtown are 20 hours 21 mins far apart, if you drive non-stop .

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

Please note the time difference between O B Flat, SA and Smithtown, NSW is 30 minutes. The current time in O B Flat is 9:12 am and the current time in Smithtown is 9:42 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 Smithtown, NSW? 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 182.54 liters of fuel to cover the route between O B Flat, SA and Smithtown, NSW.

The estimated cost of fuel to go from O B Flat to Smithtown is $273.81.

During the route, an average car will release 4,366.30 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 Smithtown, NSW

If you want to meet halfway between O B Flat, SA and Smithtown, NSW or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.470463 and 147.590675, or 35º 28' 13.6668" S, 147º 35' 26.43" E. This location is 525.11 miles away from O B Flat, SA and Smithtown, NSW and it would take approximately 10 hours 10 mins 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 Smithtown, NSW in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	839.24 mi	1,350.62 km	729.28 nautical mi
Driving distance	1,050 mi	1,690.16 km	912.62 nautical mi

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