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

Distance from O B Flat, SA to Ross, TAS

Distance

973 km

Time

15 hours 46 mins

Gas Cost

$73 - $190

There are 732.49 km (455.15 miles) from O B Flat to Ross in southeast direction and 973.65 km (605 miles) by car and ferry, following the 1 route.

O B Flat and Ross are 15 hours 46 mins far apart, if you drive non-stop for 6 hours 46 mins and take a ferry for 9 hours .

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

Please note the time difference between O B Flat, SA and Ross, TAS is 30 minutes. The current time in O B Flat is 2:13 pm and the current time in Ross is 2:43 pm.

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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 Ross, 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 105.13 liters of fuel to cover the route between O B Flat, SA and Ross, TAS.

The estimated cost of fuel to go from O B Flat to Ross is $157.69.

During the route, an average car will release 2,514.61 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 Ross, TAS

If you want to meet halfway between O B Flat, SA and Ross, TAS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -38.34314 and 144.620565, or 38º 20' 35.304" S, 144º 37' 14.034" E. This location is 302.42 miles away from O B Flat, SA and Ross, TAS and it would take approximately 7 hours 53 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 Ross, TAS in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	455.15 mi	732.49 km	395.51 nautical mi
Driving distance	605 mi	973.39 km	525.59 nautical mi

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