The calculated distance (air line) between Târgu Ocna and Târgu Jiu is approximately 182 miles respectively 293 kilometers.
By car or train, the actual journey to Târgu Jiu is certainly longer, as only the direct route (as the crow flies) between Târgu Ocna and Târgu Jiu has been calculated here.
Air line (approximately)
293 kilometers
158 nautical miles