The calculated distance (air line) between Veleslavín and Jablonec nad Nisou is approximately 57 miles respectively 91 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 Veleslavín and Jablonec nad Nisou has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles