The calculated distance (air line) between Rychvald and Jablonec nad Nisou is approximately 153 miles respectively 247 kilometers.
By car or train, the actual journey to Jablonec nad Nisou is certainly longer, as only the direct route (as the crow flies) between Rychvald and Jablonec nad Nisou has been calculated here.
Air line (approximately)
247 kilometers
133 nautical miles