The calculated distance (air line) between Amvrosiivka and Khartsyzk is approximately 23 miles respectively 37 kilometers.
By car or train, the actual journey to Khartsyzk is certainly longer, as only the direct route (as the crow flies) between Amvrosiivka and Khartsyzk has been calculated here.
Air line (approximately)
37 kilometers
20 nautical miles