The calculated distance (air line) between Villa de Vallecas and San Fernando de Henares is approximately 5 miles respectively 9 kilometers.
By car or train, the actual journey to San Fernando de Henares is certainly longer, as only the direct route (as the crow flies) between Villa de Vallecas and San Fernando de Henares has been calculated here.
Air line (approximately)
9 kilometers
5 nautical miles