The calculated distance (air line) between Benátky nad Jizerou and Česká Lípa is approximately 30 miles respectively 48 kilometers.
By car or train, the actual journey to Česká Lípa is certainly longer, as only the direct route (as the crow flies) between Benátky nad Jizerou and Česká Lípa has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles