The calculated distance (air line) between Kuala Lumpur and Subang Jaya is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to Subang Jaya is certainly longer, as only the direct route (as the crow flies) between Kuala Lumpur and Subang Jaya has been calculated here.
Air line (approximately)
16 kilometers
9 nautical miles