The calculated distance (air line) between Pelabuhan Klang and Kuala Lumpur is approximately 23 miles respectively 36 kilometers.
By car or train, the actual journey to Kuala Lumpur is certainly longer, as only the direct route (as the crow flies) between Pelabuhan Klang and Kuala Lumpur has been calculated here.
Air line (approximately)
36 kilometers
20 nautical miles