It is 6.4 kilometers from Yichang Sanxia Road to Yichang Wuyue Square. The distance between the two places measured by the map is 3.2 cm, and the ratio between the map and the actual geographical location is 1:2, and 3.2 cm *2 is equal to 6.4 km. Therefore, the distance from Yichang Sanxia Road to Yichang Wuyue Square is 6.4 kilometers.