Abstract: An object distance determination system for measuring the linear distance between two objects. The object distance determination system comprises a smartphone configured as a base station in the preferred embodiment and a reference device. Through a reference distance determination software application, the reference device transmits GPS positioning information, along with a unique identifier associated with it over a wireless networking interface to the base station. The base station includes an object distance determination software application that configures it to retrieve its positioning information and receive over a wireless networking interface identification and positioning information from the reference device. Using this information, the object distance determination software application calculates the linear distance from the reference device to the base station and causes the display of the reference device and the calculated linear distance on the display of the base station.