The calculated distance (air line) between Nový Bydžov and České Budějovice is approximately 99 miles respectively 159 kilometers.
By car or train, the actual journey to České Budějovice is certainly longer, as only the direct route (as the crow flies) between Nový Bydžov and České Budějovice has been calculated here.
Air line (approximately)
159 kilometers
86 nautical miles