The calculated distance (air line) between Erlangen and Höchstadt an der Aisch is approximately 12 miles respectively 19 kilometers.
By car or train, the actual journey to Höchstadt an der Aisch is certainly longer, as only the direct route (as the crow flies) between Erlangen and Höchstadt an der Aisch has been calculated here.
Air line (approximately)
19 kilometers
10 nautical miles