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

Distance from O B Flat, SA to Gray, TAS

Distance

1,030 km

Time

16 hours 34 mins

Gas Cost

$77 - $201

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

O B Flat and Gray are 16 hours 34 mins far apart, if you drive non-stop for 7 hours 34 mins and take a ferry for 9 hours .

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

Please note the time difference between O B Flat, SA and Gray, TAS is 30 minutes. The current time in O B Flat is 4:51 am and the current time in Gray is 5:21 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 Gray, TAS? 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 111.29 liters of fuel to cover the route between O B Flat, SA and Gray, TAS.

The estimated cost of fuel to go from O B Flat to Gray is $166.94.

During the route, an average car will release 2,662.08 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 Gray, TAS

If you want to meet halfway between O B Flat, SA and Gray, TAS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -38.617601 and 144.818674, or 38º 37' 3.3636" S, 144º 49' 7.2264" E. This location is 320.15 miles away from O B Flat, SA and Gray, TAS and it would take approximately 8 hours 17 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 Gray, TAS 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	1,030.47 km	556.41 nautical mi

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