The calculated distance (air line) between Joal-Fadiout and Niakoul Rab is approximately 52 miles respectively 83 kilometers.
By car or train, the actual journey to Niakoul Rab is certainly longer, as only the direct route (as the crow flies) between Joal-Fadiout and Niakoul Rab has been calculated here.
Air line (approximately)
83 kilometers
45 nautical miles