The calculated distance (air line) between Červený Kostelec and České Budějovice is approximately 126 miles respectively 204 kilometers.
By car or train, the actual journey to České Budějovice is certainly longer, as only the direct route (as the crow flies) between Červený Kostelec and České Budějovice has been calculated here.
Air line (approximately)
204 kilometers
110 nautical miles