The calculated distance (air line) between Červený Kostelec and Česká Lípa is approximately 70 miles respectively 112 kilometers.
By car or train, the actual journey to Česká Lípa is certainly longer, as only the direct route (as the crow flies) between Červený Kostelec and Česká Lípa has been calculated here.
Air line (approximately)
112 kilometers
61 nautical miles