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

Distance from O B Flat, SA to Jack River, VIC

Distance

638 km

Time

8 hours 35 mins

Gas Cost

$48 - $124

There are 508.97 km (316.26 miles) from O B Flat to Jack River in east direction and 638.91 km (397 miles) by car, following the M8 route.

O B Flat and Jack River are 8 hours 35 mins far apart, if you drive non-stop .

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

Please note the time difference between O B Flat, SA and Jack River, VIC is 30 minutes. The current time in O B Flat is 2:53 am and the current time in Jack River is 3:23 am.

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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 Jack River, 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 68.93 liters of fuel to cover the route between O B Flat, SA and Jack River, VIC.

The estimated cost of fuel to go from O B Flat to Jack River is $103.40.

During the route, an average car will release 1,648.86 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 Jack River, VIC

If you want to meet halfway between O B Flat, SA and Jack River, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -37.561854 and 143.942688, or 37º 33' 42.6744" S, 143º 56' 33.6768" E. This location is 198.30 miles away from O B Flat, SA and Jack River, VIC and it would take approximately 4 hours 17 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 Jack River, VIC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	316.26 mi	508.97 km	274.82 nautical mi
Driving distance	397 mi	638.26 km	344.63 nautical mi

Road Trip Tips