The calculated distance (air line) between Frenštát pod Radhoštěm and Jablonec nad Nisou is approximately 157 miles respectively 253 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 Frenštát pod Radhoštěm and Jablonec nad Nisou has been calculated here.
Air line (approximately)
253 kilometers
137 nautical miles