The calculated distance (air line) between Beausoleil and Aix-en-Provence is approximately 100 miles respectively 161 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 Beausoleil and Aix-en-Provence has been calculated here.
Air line (approximately)
161 kilometers
87 nautical miles