The calculated distance (air line) between Jablonec nad Nisou and Jihlava is approximately 94 miles respectively 151 kilometers.
By car or train, the actual journey to Jihlava is certainly longer, as only the direct route (as the crow flies) between Jablonec nad Nisou and Jihlava has been calculated here.
Air line (approximately)
151 kilometers
81 nautical miles