The calculated distance (air line) between Frýdlant nad Ostravicí and Jablonec nad Nisou is approximately 161 miles respectively 260 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 Frýdlant nad Ostravicí and Jablonec nad Nisou has been calculated here.
Air line (approximately)
260 kilometers
140 nautical miles