The average gas price in Whyalla is 21,223₫/liter over the past month, costing you anywhere between 955,018₫ and 1,379,470₫ to fill up a car’s gas tank.
The length of time you can book a rental for is subject to the inventory of the supplier. When renting a vehicle from Whyalla it should be possible to rent a car for a whole month if needed.