The calculated distance (air line) between Port-Saint-Louis-du-Rhône and Aix-en-Provence is approximately 33 miles respectively 53 kilometers.
By car or train, the actual journey to Aix-en-Provence is certainly longer, as only the direct route (as the crow flies) between Port-Saint-Louis-du-Rhône and Aix-en-Provence has been calculated here.
Air line (approximately)
53 kilometers
28 nautical miles