1, walk 90 meters on Beijing Road.
2. Take Metro Line 6 at Beijing Road Station (in the direction of Xunfenggang), walk for 3.38km, and get off at Huangsha Station (exit D) after four stops.
3. Walk 730m to Yongqingfang. So Beijing Road is 90 meters +3.38 kilometers +730 meters away from Yongqingfang, which is exactly 4.2 kilometers.