The calculated distance (air line) between Svyetlahorsk and Krasnaya Gora is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Krasnaya Gora is certainly longer, as only the direct route (as the crow flies) between Svyetlahorsk and Krasnaya Gora has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles