The calculated distance (air line) between Marseille 13 and Septèmes-les-Vallons is approximately 6 miles respectively 10 kilometers.
By car or train, the actual journey to Septèmes-les-Vallons is certainly longer, as only the direct route (as the crow flies) between Marseille 13 and Septèmes-les-Vallons has been calculated here.
Air line (approximately)
10 kilometers
5 nautical miles