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

Distance from O B Flat, SA to Walla Walla, NSW

Distance

705 km

Time

9 hours 25 mins

Gas Cost

$53 - $137

Helpful Inaccurate

There are 593.84 km (369 miles) from O B Flat to Walla Walla in northeast direction and 704.89 km (438 miles) by car, following the A300 and B75 route.

O B Flat and Walla Walla are 9 hours 25 mins far apart, if you drive non-stop .

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

Please note the time difference between O B Flat, SA and Walla Walla, NSW is 30 minutes. The current time in O B Flat is 5:35 am and the current time in Walla Walla is 6:05 am.

Any questions or tips to share?

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

Lowest Price Rental Cars in O B Flat, SA

Planning on renting a car to go from O B Flat, SA to Walla Walla, NSW? 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 76.13 liters of fuel to cover the route between O B Flat, SA and Walla Walla, NSW.

The estimated cost of fuel to go from O B Flat to Walla Walla is $114.20.

During the route, an average car will release 1,821.10 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 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between O B Flat, SA and Walla Walla, NSW

If you want to meet halfway between O B Flat, SA and Walla Walla, NSW or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are -36.7598 and 143.833482, or 36º 45' 35.28" S, 143º 50' 0.5352" E. This location is 219.01 miles away from O B Flat, SA and Walla Walla, NSW and it would take approximately 4 hours 42 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 Walla Walla, NSW in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	369 mi	593.84 km	320.65 nautical mi
Driving distance	438 mi	704.94 km	380.64 nautical mi

Road Trip Tips