Distance between cities › Australia › Tasmania › Gray, TAS › Distance from Gray to O B Flat Book Hotels

Distance from Gray, TAS to O B Flat, SA

Distance

1,030 km

Time

16 hours 33 mins

Gas Cost

$77 - $201

There are 758.56 km (471.35 miles) from Gray to O B Flat in northwest direction and 1,029.98 km (640 miles) by car and ferry, following the 1 route.

Gray and O B Flat are 16 hours 33 mins far apart, if you drive non-stop for 7 hours 33 mins and take a ferry for 9 hours .

This is the fastest route from Gray, TAS to O B Flat, SA.

Please note the time difference between Gray, TAS and O B Flat, SA is 30 minutes. The current time in Gray is 2:17 am and the current time in O B Flat is 1:47 am.

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Lowest Price Rental Cars in Gray, TAS

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Gray »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 111.21 liters of fuel to cover the route between Gray, TAS and O B Flat, SA.

The estimated cost of fuel to go from Gray to O B Flat is $166.82.

During the route, an average car will release 2,660.22 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 Gray, TAS and O B Flat, SA

If you want to meet halfway between Gray, TAS 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 -38.618115 and 144.81899, or 38º 37' 5.214" S, 144º 49' 8.364" E. This location is 319.93 miles away from Gray, TAS and O B Flat, SA and it would take approximately 8 hours 16 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	471.35 mi	758.56 km	409.59 nautical mi
Driving distance	640 mi	1,029.75 km	556.02 nautical mi

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