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

Distance from Cornwall, TAS to O B Flat, SA

Distance

1,021 km

Time

16 hours 28 mins

Gas Cost

$77 - $199

There are 747.89 km (464.72 miles) from Cornwall to O B Flat in northwest direction and 1,020.32 km (634 miles) by car and ferry, following the 1 route.

Cornwall and O B Flat are 16 hours 28 mins far apart, if you drive non-stop for 7 hours 28 mins and take a ferry for 9 hours .

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

Please note the time difference between Cornwall, TAS and O B Flat, SA is 30 minutes. The current time in Cornwall is 6:44 pm and the current time in O B Flat is 6:14 pm.

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Lowest Price Rental Cars in Cornwall, TAS

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cornwall »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 110.26 liters of fuel to cover the route between Cornwall, TAS and O B Flat, SA.

The estimated cost of fuel to go from Cornwall to O B Flat is $165.40.

During the route, an average car will release 2,637.52 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 8, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Cornwall, TAS and O B Flat, SA

If you want to meet halfway between Cornwall, 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 -38.576573 and 144.793444, or 38º 34' 35.6628" S, 144º 47' 36.3984" E. This location is 317.20 miles away from Cornwall, TAS and O B Flat, SA and it would take approximately 8 hours 14 mins to reach the halfway point from both locations.

Distance conversions

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

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	464.72 mi	747.89 km	403.83 nautical mi
Driving distance	634 mi	1,020.96 km	551.28 nautical mi

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