The calculated distance (air line) between Nový Bydžov and Olomouc is approximately 90 miles respectively 145 kilometers.
By car or train, the actual journey to Olomouc is certainly longer, as only the direct route (as the crow flies) between Nový Bydžov and Olomouc has been calculated here.
Air line (approximately)
145 kilometers
78 nautical miles