The calculated distance (air line) between Sepang and Kampung Ayer Molek is approximately 52 miles respectively 83 kilometers.
By car or train, the actual journey to Kampung Ayer Molek is certainly longer, as only the direct route (as the crow flies) between Sepang and Kampung Ayer Molek has been calculated here.
Air line (approximately)
83 kilometers
45 nautical miles