The calculated distance (air line) between Fellbach and Neuhausen auf den Fildern is approximately 9 miles respectively 14 kilometers.
By car or train, the actual journey to Neuhausen auf den Fildern is certainly longer, as only the direct route (as the crow flies) between Fellbach and Neuhausen auf den Fildern has been calculated here.
Air line (approximately)
14 kilometers
8 nautical miles