The calculated distance (air line) between Péronnas and Aix-en-Provence is approximately 184 miles respectively 296 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 Péronnas and Aix-en-Provence has been calculated here.
Air line (approximately)
296 kilometers
160 nautical miles