The calculated distance (air line) between Târgu Secuiesc and Târgu Jiu is approximately 153 miles respectively 246 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 Secuiesc and Târgu Jiu has been calculated here.
Air line (approximately)
246 kilometers
133 nautical miles