The calculated distance (air line) between Neuhofen an der Krems and Mödling is approximately 95 miles respectively 153 kilometers.
By car or train, the actual journey to Mödling is certainly longer, as only the direct route (as the crow flies) between Neuhofen an der Krems and Mödling has been calculated here.
Air line (approximately)
153 kilometers
83 nautical miles