The calculated distance (air line) between Milovice and Jablonec nad Nisou is approximately 37 miles respectively 59 kilometers.
By car or train, the actual journey to Jablonec nad Nisou is certainly longer, as only the direct route (as the crow flies) between Milovice and Jablonec nad Nisou has been calculated here.
Air line (approximately)
59 kilometers
32 nautical miles