The calculated distance (air line) between Băile Herculane and Târgu Jiu is approximately 44 miles respectively 71 kilometers.
By car or train, the actual journey to Târgu Jiu is certainly longer, as only the direct route (as the crow flies) between Băile Herculane and Târgu Jiu has been calculated here.
Air line (approximately)
71 kilometers
38 nautical miles