The calculated distance (air line) between Markt Indersdorf and Karlsruhe is approximately 143 miles respectively 230 kilometers.
By car or train, the actual journey to Karlsruhe is certainly longer, as only the direct route (as the crow flies) between Markt Indersdorf and Karlsruhe has been calculated here.
Air line (approximately)
230 kilometers
124 nautical miles