The calculated distance (air line) between Port-La Nouvelle and Aix-en-Provence is approximately 126 miles respectively 202 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-La Nouvelle and Aix-en-Provence has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles