The calculated distance (air line) between Kampung Ayer Keroh and Seremban is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Seremban is certainly longer, as only the direct route (as the crow flies) between Kampung Ayer Keroh and Seremban has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles