The calculated distance (air line) between Elsenfeld and Alzenau in Unterfranken is approximately 18 miles respectively 28 kilometers.
By car or train, the actual journey to Alzenau in Unterfranken is certainly longer, as only the direct route (as the crow flies) between Elsenfeld and Alzenau in Unterfranken has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles