Distance between cities › Australia › Victoria › St Clair, VIC › Distance from St Clair to O B Flat Book Hotels

Distance from St Clair, VIC to O B Flat, SA

Distance

560 km

Time

7 hours 29 mins

Gas Cost

$42 - $109

There are 431.60 km (268.18 miles) from St Clair to O B Flat in west direction and 560.05 km (348 miles) by car, following the M8 route.

St Clair and O B Flat are 7 hours 29 mins far apart, if you drive non-stop .

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

Please note the time difference between St Clair, VIC and O B Flat, SA is 30 minutes. The current time in St Clair is 12:25 am (Mar 7) and the current time in O B Flat is 11:55 pm (Mar 6).

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Lowest Price Rental Cars in St Clair, VIC

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in St Clair »

Gas Consumption and Emissions

A car with a fuel efficiency of 10.8 l/100 km will need 60.48 liters of fuel to cover the route between St Clair, VIC and O B Flat, SA.

The estimated cost of fuel to go from St Clair to O B Flat is $90.71.

During the route, an average car will release 1,446.57 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 St Clair, VIC and O B Flat, SA

If you want to meet halfway between St Clair, VIC 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 -37.685594 and 143.563496, or 37º 41' 8.1384" S, 143º 33' 48.5856" E. This location is 173.97 miles away from St Clair, VIC and O B Flat, SA and it would take approximately 3 hours 44 mins to reach the halfway point from both locations.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between St Clair, VIC and O B Flat, SA in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	268.18 mi	431.60 km	233.05 nautical mi
Driving distance	348 mi	559.96 km	302.35 nautical mi

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