The calculated distance (air line) between Olomouc and Jablonec nad Nisou is approximately 121 miles respectively 194 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 Olomouc and Jablonec nad Nisou has been calculated here.
Air line (approximately)
194 kilometers
105 nautical miles