The calculated distance (air line) between Mart’vili and Ts’khinvali is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Ts’khinvali is certainly longer, as only the direct route (as the crow flies) between Mart’vili and Ts’khinvali has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles