The calculated distance (air line) between Navapolatsk and Maladziečna is approximately 109 miles respectively 175 kilometers.
By car or train, the actual journey to Maladziečna is certainly longer, as only the direct route (as the crow flies) between Navapolatsk and Maladziečna has been calculated here.
Air line (approximately)
175 kilometers
95 nautical miles