The calculated distance (air line) between Differdange and Redange-sur-Attert is approximately 17 miles respectively 27 kilometers.
By car or train, the actual journey to Redange-sur-Attert is certainly longer, as only the direct route (as the crow flies) between Differdange and Redange-sur-Attert has been calculated here.
Air line (approximately)
27 kilometers
14 nautical miles