The calculated distance (air line) between Romorantin-Lanthenay and Saint-Jean-de-Braye is approximately 39 miles respectively 63 kilometers.
By car or train, the actual journey to Saint-Jean-de-Braye is certainly longer, as only the direct route (as the crow flies) between Romorantin-Lanthenay and Saint-Jean-de-Braye has been calculated here.
Air line (approximately)
63 kilometers
34 nautical miles