The calculated distance (air line) between Bolnisi and Och’amch’ire is approximately 180 miles respectively 290 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 Bolnisi and Och’amch’ire has been calculated here.
Air line (approximately)
290 kilometers
156 nautical miles