The calculated distance (air line) between Ts’khinvali and P’ot’i is approximately 118 miles respectively 189 kilometers.
By car or train, the actual journey to P’ot’i is certainly longer, as only the direct route (as the crow flies) between Ts’khinvali and P’ot’i has been calculated here.
Air line (approximately)
189 kilometers
102 nautical miles