Post Office – Castle Douglas, Palnackie – Opening Hours & Branch Details Post Office can be found on Glen Road, a 4.94 mile distance south-east from the centre of Castle Douglas (a few minutes walk from Village). The branch is situated in a convenient location to serve the people of Kippford Or Scaur, Kippford, Rockcliffe, Potterland, Palnackie, Barnbarroch and Scaur. Today (Friday), business hours begin at 2:30 pm and continue until 4:30 pm. This page will supply you with all the information you need on Post Office Castle Douglas, Palnackie, including the working times, map, telephone number and more info.