The calculated distance (air line) between Ayala Alabang and Mandaluyong City is approximately 12 miles respectively 20 kilometers.
By car or train, the actual journey to Mandaluyong City is certainly longer, as only the direct route (as the crow flies) between Ayala Alabang and Mandaluyong City has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles