The calculated distance (air line) between Smaliavičy and Kalinkavichy is approximately 140 miles respectively 226 kilometers.
By car or train, the actual journey to Kalinkavichy is certainly longer, as only the direct route (as the crow flies) between Smaliavičy and Kalinkavichy has been calculated here.
Air line (approximately)
226 kilometers
122 nautical miles