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

Distance from O B Flat, SA to Dunalley, TAS

Distance

1,109 km

Time

17 hours 30 mins

Gas Cost

$83 - $216

There are 812.59 km (504.92 miles) from O B Flat to Dunalley in southeast direction and 1,108.84 km (689 miles) by car and ferry, following the 1 route.

O B Flat and Dunalley are 17 hours 30 mins far apart, if you drive non-stop for 8 hours 30 mins and take a ferry for 9 hours .

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

Please note the time difference between O B Flat, SA and Dunalley, TAS is 30 minutes. The current time in O B Flat is 10:56 am and the current time in Dunalley is 11:26 am.

Any questions or tips to share?

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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 Dunalley, 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 119.77 liters of fuel to cover the route between O B Flat, SA and Dunalley, TAS.

The estimated cost of fuel to go from O B Flat to Dunalley is $179.65.

During the route, an average car will release 2,864.79 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 Dunalley, TAS

If you want to meet halfway between O B Flat, SA and Dunalley, TAS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -38.919387 and 145.00236, or 38º 55' 9.7932" S, 145º 0' 8.496" E. This location is 344.53 miles away from O B Flat, SA and Dunalley, TAS and it would take approximately 8 hours 45 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 Dunalley, TAS in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	504.92 mi	812.59 km	438.76 nautical mi
Driving distance	689 mi	1,108.94 km	598.78 nautical mi

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