The calculated distance (air line) between Canet-en-Roussillon and Aix-en-Provence is approximately 135 miles respectively 218 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 Canet-en-Roussillon and Aix-en-Provence has been calculated here.
Air line (approximately)
218 kilometers
118 nautical miles