The calculated distance (air line) between Piatra Olt and Târgu Jiu is approximately 68 miles respectively 109 kilometers.
By car or train, the actual journey to Târgu Jiu is certainly longer, as only the direct route (as the crow flies) between Piatra Olt and Târgu Jiu has been calculated here.
Air line (approximately)
109 kilometers
59 nautical miles