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

Distance from O B Flat, SA to Monash, SA

Distance

466 km

Time

5 hours 51 mins

Gas Cost

$35 - $91

There are 407.47 km (253.19 miles) from O B Flat to Monash in north direction and 465.10 km (289 miles) by car, following the B57 route.

O B Flat and Monash are 5 hours 51 mins far apart, if you drive non-stop .

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

O B Flat, SA and Monash, SA are in the same time zone (ACST). Current time in both locations is 12:32 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from O B Flat, SA to Monash, SA:

Lowest Price Rental Cars in O B Flat, SA

Planning on renting a car to go from O B Flat, SA to Monash, SA? 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 50.30 liters of fuel to cover the route between O B Flat, SA and Monash, SA.

The estimated cost of fuel to go from O B Flat to Monash is $75.45.

During the route, an average car will release 1,203.16 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 Monash, SA

If you want to meet halfway between O B Flat, SA and Monash, SA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -36.074072 and 140.725385, or 36º 4' 26.6592" S, 140º 43' 31.386" E. This location is 144.70 miles away from O B Flat, SA and Monash, SA and it would take approximately 2 hours 55 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 Monash, SA in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	253.19 mi	407.47 km	220.02 nautical mi
Driving distance	289 mi	465.73 km	251.48 nautical mi

Road Trip Tips