The calculated distance (air line) between Chlumec nad Cidlinou and Česká Lípa is approximately 55 miles respectively 88 kilometers.
By car or train, the actual journey to Česká Lípa is certainly longer, as only the direct route (as the crow flies) between Chlumec nad Cidlinou and Česká Lípa has been calculated here.
Air line (approximately)
88 kilometers
48 nautical miles