The calculated distance (air line) between Waldems and Bad Soden am Taunus is approximately 11 miles respectively 17 kilometers.
By car or train, the actual journey to Bad Soden am Taunus is certainly longer, as only the direct route (as the crow flies) between Waldems and Bad Soden am Taunus has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles