Distance between cities › Australia › South Australia › Mannum, SA › Distance from Mannum to Osbornes Flat Book Hotels

Distance from Mannum, SA to Osbornes Flat, VIC

Distance

838 km

Time

10 hours 41 mins

Gas Cost

$63 - $163

There are 703.08 km (436.88 miles) from Mannum to Osbornes Flat in southeast direction and 838.47 km (521 miles) by car and ferry, following the B12 and B57 route.

Mannum and Osbornes Flat are 10 hours 41 mins far apart, if you drive non-stop for 10 hours 36 mins and take a ferry for 5 minutes .

This is the fastest route from Mannum, SA to Osbornes Flat, VIC.

Please note the time difference between Mannum, SA and Osbornes Flat, VIC is 30 minutes. The current time in Mannum is 2:42 pm and the current time in Osbornes Flat is 3:12 pm.

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Lowest Price Rental Cars in Mannum, SA

Planning on renting a car to go from Mannum, SA to Osbornes Flat, VIC? Here there are some offers to rent a car in Mannum, SA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Mannum »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 90.47 liters of fuel to cover the route between Mannum, SA and Osbornes Flat, VIC.

The estimated cost of fuel to go from Mannum to Osbornes Flat is $135.71.

During the route, an average car will release 2,164.07 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 Mannum, SA and Osbornes Flat, VIC

If you want to meet halfway between Mannum, SA and Osbornes Flat, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -35.055519 and 143.248734, or 35º 3' 19.8684" S, 143º 14' 55.4424" E. This location is 260.26 miles away from Mannum, SA and Osbornes Flat, VIC and it would take approximately 5 hours 20 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Mannum, SA and Osbornes Flat, VIC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	436.88 mi	703.08 km	379.64 nautical mi
Driving distance	521 mi	837.70 km	452.32 nautical mi

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