The calculated distance (air line) between Sepang and Kampung Ayer Keroh is approximately 47 miles respectively 76 kilometers.
By car or train, the actual journey to Kampung Ayer Keroh is certainly longer, as only the direct route (as the crow flies) between Sepang and Kampung Ayer Keroh has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles