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

Distance from O B Flat, SA to Mount Prospect, VIC

Distance

345 km

Time

4 hours 34 mins

Gas Cost

$26 - $67

Helpful Inaccurate

There are 293.26 km (182.23 miles) from O B Flat to Mount Prospect in northeast direction and 344.40 km (214 miles) by car, following the C187 route.

O B Flat and Mount Prospect are 4 hours 34 mins far apart, if you drive non-stop .

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

Please note the time difference between O B Flat, SA and Mount Prospect, VIC is 30 minutes. The current time in O B Flat is 2:41 pm and the current time in Mount Prospect is 3:11 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 Mount Prospect, 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 37.27 liters of fuel to cover the route between O B Flat, SA and Mount Prospect, VIC.

The estimated cost of fuel to go from O B Flat to Mount Prospect is $55.91.

During the route, an average car will release 891.52 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 Mount Prospect, VIC

If you want to meet halfway between O B Flat, SA and Mount Prospect, VIC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -37.636196 and 142.470107, or 37º 38' 10.3056" S, 142º 28' 12.3852" E. This location is 107.22 miles away from O B Flat, SA and Mount Prospect, VIC and it would take approximately 2 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 Mount Prospect, VIC in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	182.23 mi	293.26 km	158.35 nautical mi
Driving distance	214 mi	345.10 km	186.34 nautical mi

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