The calculated distance (air line) between Pirapora do Bom Jesus and Diadema is approximately 31 miles respectively 50 kilometers.
By car or train, the actual journey to Diadema is certainly longer, as only the direct route (as the crow flies) between Pirapora do Bom Jesus and Diadema has been calculated here.
Air line (approximately)
50 kilometers
27 nautical miles