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

Distance from Ross, TAS to O B Flat, SA

Distance

973 km

Time

15 hours 45 mins

Gas Cost

$73 - $190

There are 732.49 km (455.15 miles) from Ross to O B Flat in northwest direction and 972.04 km (604 miles) by car and ferry, following the 1 route.

Ross and O B Flat are 15 hours 45 mins far apart, if you drive non-stop for 6 hours 45 mins and take a ferry for 9 hours .

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

Please note the time difference between Ross, TAS and O B Flat, SA is 30 minutes. The current time in Ross is 1:35 pm and the current time in O B Flat is 1:05 pm.

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Lowest Price Rental Cars in Ross, TAS

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ross »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 105.05 liters of fuel to cover the route between Ross, TAS and O B Flat, SA.

The estimated cost of fuel to go from Ross to O B Flat is $157.57.

During the route, an average car will release 2,512.73 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 Ross, TAS and O B Flat, SA

If you want to meet halfway between Ross, 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 -38.298847 and 144.712372, or 38º 17' 55.8492" S, 144º 42' 44.5392" E. This location is 302.19 miles away from Ross, TAS and O B Flat, SA and it would take approximately 7 hours 52 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	455.15 mi	732.49 km	395.51 nautical mi
Driving distance	604 mi	972.66 km	525.19 nautical mi

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