The calculated distance (air line) between Mannheim and Neustadt an der Weinstraße is approximately 18 miles respectively 28 kilometers.
By car or train, the actual journey to Neustadt an der Weinstraße is certainly longer, as only the direct route (as the crow flies) between Mannheim and Neustadt an der Weinstraße has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles