The calculated distance (air line) between Finkenstein am Faaker See and Sankt Pölten is approximately 140 miles respectively 225 kilometers.
By car or train, the actual journey to Sankt Pölten is certainly longer, as only the direct route (as the crow flies) between Finkenstein am Faaker See and Sankt Pölten has been calculated here.
Air line (approximately)
225 kilometers
122 nautical miles