The calculated distance (air line) between Frýdlant nad Ostravicí and Brno is approximately 83 miles respectively 134 kilometers.
By car or train, the actual journey to Brno is certainly longer, as only the direct route (as the crow flies) between Frýdlant nad Ostravicí and Brno has been calculated here.
Air line (approximately)
134 kilometers
72 nautical miles