The calculated distance (air line) between Maxhütte-Haidhof and Karlsruhe is approximately 167 miles respectively 269 kilometers.
By car or train, the actual journey to Karlsruhe is certainly longer, as only the direct route (as the crow flies) between Maxhütte-Haidhof and Karlsruhe has been calculated here.
Air line (approximately)
269 kilometers
145 nautical miles