The calculated distance (air line) between Tain-l'Hermitage and Aix-en-Provence is approximately 110 miles respectively 177 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 Tain-l'Hermitage and Aix-en-Provence has been calculated here.
Air line (approximately)
177 kilometers
96 nautical miles