The calculated distance (air line) between Chrastava and Jablonec nad Nisou is approximately 11 miles respectively 18 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 Chrastava and Jablonec nad Nisou has been calculated here.
Air line (approximately)
18 kilometers
9 nautical miles