The calculated distance (air line) between Finkenstein am Faaker See and Simmering is approximately 164 miles respectively 264 kilometers.
By car or train, the actual journey to Simmering is certainly longer, as only the direct route (as the crow flies) between Finkenstein am Faaker See and Simmering has been calculated here.
Air line (approximately)
264 kilometers
143 nautical miles