The calculated distance (air line) between La Ciotat and Saint-Cyr-sur-Mer is approximately 5 miles respectively 8 kilometers.
By car or train, the actual journey to Saint-Cyr-sur-Mer is certainly longer, as only the direct route (as the crow flies) between La Ciotat and Saint-Cyr-sur-Mer has been calculated here.
Air line (approximately)
8 kilometers
4 nautical miles