The calculated distance (air line) between Trutnov and Frýdek-Místek is approximately 124 miles respectively 199 kilometers.
By car or train, the actual journey to Frýdek-Místek is certainly longer, as only the direct route (as the crow flies) between Trutnov and Frýdek-Místek has been calculated here.
Air line (approximately)
199 kilometers
108 nautical miles