The calculated distance (air line) between Bourg-de-Péage and Aix-en-Provence is approximately 106 miles respectively 170 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 Bourg-de-Péage and Aix-en-Provence has been calculated here.
Air line (approximately)
170 kilometers
92 nautical miles