The calculated distance (air line) between Marseille 13 and Marseille 11 is approximately 2 miles respectively 4 kilometers.
By car or train, the actual journey to Marseille 11 is certainly longer, as only the direct route (as the crow flies) between Marseille 13 and Marseille 11 has been calculated here.
Air line (approximately)
4 kilometers
2 nautical miles