The calculated distance (air line) between Diourbel and Méri Mbaké is approximately 23 miles respectively 37 kilometers.
By car or train, the actual journey to Méri Mbaké is certainly longer, as only the direct route (as the crow flies) between Diourbel and Méri Mbaké has been calculated here.
Air line (approximately)
37 kilometers
20 nautical miles