The calculated distance (air line) between Kal'mius'ke and Makiivka is approximately 27 miles respectively 44 kilometers.
By car or train, the actual journey to Makiivka is certainly longer, as only the direct route (as the crow flies) between Kal'mius'ke and Makiivka has been calculated here.
Air line (approximately)
44 kilometers
24 nautical miles