The calculated distance (air line) between Mikashevichy and Kalinkavichy is approximately 79 miles respectively 126 kilometers.
By car or train, the actual journey to Kalinkavichy is certainly longer, as only the direct route (as the crow flies) between Mikashevichy and Kalinkavichy has been calculated here.
Air line (approximately)
126 kilometers
68 nautical miles