The calculated distance (air line) between Šenov and Jablonec nad Nisou is approximately 156 miles respectively 250 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 Šenov and Jablonec nad Nisou has been calculated here.
Air line (approximately)
250 kilometers
135 nautical miles