The calculated distance (air line) between Horní Slavkov and České Budějovice is approximately 110 miles respectively 177 kilometers.
By car or train, the actual journey to České Budějovice is certainly longer, as only the direct route (as the crow flies) between Horní Slavkov and České Budějovice has been calculated here.
Air line (approximately)
177 kilometers
95 nautical miles