Each dot represents a world capital. Choose a capital and type its name followed by one of 8 bearings (NN, NE, EE, SE, SS, SW, WW, NW). This will highlight: 1) the capital you typed 2) any capital within 6000 km and within 22,5° of the chosen bearing 3) any capital within 3000 km and within 45° of the chosen bearing 4) any capital within 250 km