The calculated distance (air line) between Mtskheta and Och’amch’ire is approximately 177 miles respectively 284 kilometers.
By car or train, the actual journey to Och’amch’ire is certainly longer, as only the direct route (as the crow flies) between Mtskheta and Och’amch’ire has been calculated here.
Air line (approximately)
284 kilometers
153 nautical miles