The calculated distance (air line) between Mimoň and Frýdek-Místek is approximately 174 miles respectively 280 kilometers.
By car or train, the actual journey to Frýdek-Místek is certainly longer, as only the direct route (as the crow flies) between Mimoň and Frýdek-Místek has been calculated here.
Air line (approximately)
280 kilometers
151 nautical miles