The calculated distance (air line) between Niefern-Öschelbronn and Gerlingen is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Gerlingen is certainly longer, as only the direct route (as the crow flies) between Niefern-Öschelbronn and Gerlingen has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles