The calculated distance (air line) between Diadema and Embu Guaçu is approximately 16 miles respectively 25 kilometers.
By car or train, the actual journey to Embu Guaçu is certainly longer, as only the direct route (as the crow flies) between Diadema and Embu Guaçu has been calculated here.
Air line (approximately)
25 kilometers
14 nautical miles