The calculated distance (air line) between Seremban and Kampung Ayer Keroh is approximately 40 miles respectively 64 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 Seremban and Kampung Ayer Keroh has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles