The calculated distance (air line) between Chrudim and Jablonec nad Nisou is approximately 60 miles respectively 97 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 Chrudim and Jablonec nad Nisou has been calculated here.
Air line (approximately)
97 kilometers
52 nautical miles