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

Distance from O B Flat, SA to Undera, VIC

Distance

521 km

Time

7 hours

Gas Cost

$39 - $102

There are 435.19 km (270.42 miles) from O B Flat to Undera in northeast direction and 519.82 km (323 miles) by car, following the A300 and B75 route.

O B Flat and Undera are 7 hours far apart, if you drive non-stop .

This is the fastest route from O B Flat, SA to Undera, VIC.

Please note the time difference between O B Flat, SA and Undera, VIC is 30 minutes. The current time in O B Flat is 9:58 pm and the current time in Undera is 10:28 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 Undera, VIC? 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 56.22 liters of fuel to cover the route between O B Flat, SA and Undera, VIC.

The estimated cost of fuel to go from O B Flat to Undera is $84.33.

During the route, an average car will release 1,344.74 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 10, 2026.
Read more about our CO₂ calculation.

Halfway Point Between O B Flat, SA and Undera, VIC

If you want to meet halfway between O B Flat, SA and Undera, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -37.19022 and 143.12476, or 37º 11' 24.792" S, 143º 7' 29.136" E. This location is 161.72 miles away from O B Flat, SA and Undera, VIC and it would take approximately 3 hours 30 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 Undera, VIC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	270.42 mi	435.19 km	234.99 nautical mi
Driving distance	323 mi	520.54 km	281.07 nautical mi

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