The calculated distance (air line) between Frýdek-Místek and Jihlava is approximately 125 miles respectively 202 kilometers.
By car or train, the actual journey to Jihlava is certainly longer, as only the direct route (as the crow flies) between Frýdek-Místek and Jihlava has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles