The calculated distance (air line) between Subang Jaya and Pontian Kechil is approximately 165 miles respectively 265 kilometers.
By car or train, the actual journey to Pontian Kechil is certainly longer, as only the direct route (as the crow flies) between Subang Jaya and Pontian Kechil has been calculated here.
Air line (approximately)
265 kilometers
143 nautical miles