The calculated distance (air line) between Rychvald and Frýdek-Místek is approximately 13 miles respectively 20 kilometers.
By car or train, the actual journey to Frýdek-Místek is certainly longer, as only the direct route (as the crow flies) between Rychvald and Frýdek-Místek has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles