The calculated distance (air line) between Tachov and Jablonec nad Nisou is approximately 129 miles respectively 208 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 Tachov and Jablonec nad Nisou has been calculated here.
Air line (approximately)
208 kilometers
112 nautical miles