The calculated distance (air line) between Červený Kostelec and Královské Vinohrady is approximately 78 miles respectively 125 kilometers.
By car or train, the actual journey to Královské Vinohrady is certainly longer, as only the direct route (as the crow flies) between Červený Kostelec and Královské Vinohrady has been calculated here.
Air line (approximately)
125 kilometers
68 nautical miles