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

Distance from O B Flat, SA to Cornwall, TAS

Distance

1,022 km

Time

16 hours 29 mins

Gas Cost

$77 - $199

There are 747.89 km (464.72 miles) from O B Flat to Cornwall in southeast direction and 1,021.93 km (635 miles) by car and ferry, following the 1 route.

O B Flat and Cornwall are 16 hours 29 mins far apart, if you drive non-stop for 7 hours 29 mins and take a ferry for 9 hours .

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

Please note the time difference between O B Flat, SA and Cornwall, TAS is 30 minutes. The current time in O B Flat is 12:10 pm and the current time in Cornwall is 12:40 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 Cornwall, 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 110.34 liters of fuel to cover the route between O B Flat, SA and Cornwall, TAS.

The estimated cost of fuel to go from O B Flat to Cornwall is $165.51.

During the route, an average car will release 2,639.38 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 6, 2026.
Read more about our CO₂ calculation.

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

If you want to meet halfway between O B Flat, SA and Cornwall, TAS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -38.57606 and 144.793129, or 38º 34' 33.816" S, 144º 47' 35.2644" E. This location is 317.42 miles away from O B Flat, SA and Cornwall, TAS 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 O B Flat, SA and Cornwall, TAS in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	464.72 mi	747.89 km	403.83 nautical mi
Driving distance	635 mi	1,021.69 km	551.67 nautical mi

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