The calculated distance (air line) between Nový Bydžov and Jablonec nad Nisou is approximately 36 miles respectively 58 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 Nový Bydžov and Jablonec nad Nisou has been calculated here.
Air line (approximately)
58 kilometers
31 nautical miles