The calculated distance (air line) between Dori and Fada N'gourma is approximately 139 miles respectively 223 kilometers.
By car or train, the actual journey to Fada N'gourma is certainly longer, as only the direct route (as the crow flies) between Dori and Fada N'gourma has been calculated here.
Air line (approximately)
223 kilometers
121 nautical miles