The calculated distance (air line) between Banjul NDing and Badja Kunda is approximately 175 miles respectively 282 kilometers.
By car or train, the actual journey to Badja Kunda is certainly longer, as only the direct route (as the crow flies) between Banjul NDing and Badja Kunda has been calculated here.
Air line (approximately)
282 kilometers
152 nautical miles