The calculated distance (air line) between Mannheim and Ludwigshafen am Rhein is approximately 1 miles respectively 2 kilometers.
By car or train, the actual journey to Ludwigshafen am Rhein is certainly longer, as only the direct route (as the crow flies) between Mannheim and Ludwigshafen am Rhein has been calculated here.
Air line (approximately)
2 kilometers
1 nautical miles