The calculated distance (air line) between Morières-lès-Avignon and Aix-en-Provence is approximately 40 miles respectively 64 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 Morières-lès-Avignon and Aix-en-Provence has been calculated here.
Air line (approximately)
64 kilometers
34 nautical miles