The calculated distance (air line) between Strasshof an der Nordbahn and Steyr is approximately 105 miles respectively 169 kilometers.
By car or train, the actual journey to Steyr is certainly longer, as only the direct route (as the crow flies) between Strasshof an der Nordbahn and Steyr has been calculated here.
Air line (approximately)
169 kilometers
91 nautical miles