The calculated distance (air line) between Chemnitz and Rottenburg an der Laaber is approximately 153 miles respectively 246 kilometers.
By car or train, the actual journey to Rottenburg an der Laaber is certainly longer, as only the direct route (as the crow flies) between Chemnitz and Rottenburg an der Laaber has been calculated here.
Air line (approximately)
246 kilometers
133 nautical miles