The calculated distance (air line) between Bílina and Jablonec nad Nisou is approximately 62 miles respectively 100 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 Bílina and Jablonec nad Nisou has been calculated here.
Air line (approximately)
100 kilometers
54 nautical miles