The calculated distance (air line) between Fuente el Saz and San Agustín del Guadalix is approximately 6 miles respectively 10 kilometers.
By car or train, the actual journey to San Agustín del Guadalix is certainly longer, as only the direct route (as the crow flies) between Fuente el Saz and San Agustín del Guadalix has been calculated here.
Air line (approximately)
10 kilometers
6 nautical miles