The calculated distance (air line) between Aix-en-Provence and Bouc-Bel-Air is approximately 6 miles respectively 9 kilometers.
By car or train, the actual journey to Bouc-Bel-Air is certainly longer, as only the direct route (as the crow flies) between Aix-en-Provence and Bouc-Bel-Air has been calculated here.
Air line (approximately)
9 kilometers
5 nautical miles