The calculated distance (air line) between Nový Bydžov and Česká Lípa is approximately 52 miles respectively 84 kilometers.
By car or train, the actual journey to Česká Lípa is certainly longer, as only the direct route (as the crow flies) between Nový Bydžov and Česká Lípa has been calculated here.
Air line (approximately)
84 kilometers
45 nautical miles