The calculated distance (air line) between Eybens and Aix-en-Provence is approximately 113 miles respectively 182 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 Eybens and Aix-en-Provence has been calculated here.
Air line (approximately)
182 kilometers
98 nautical miles