The average gas price in Orkney is 36,653₫/liter over the past month, costing you anywhere between 1,649,378₫ and 2,382,435₫ 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 Orkney it should be possible to rent a car for a whole month if needed.