The calculated distance (air line) between Lyuban’ and Svyetlahorsk is approximately 73 miles respectively 118 kilometers.
By car or train, the actual journey to Svyetlahorsk is certainly longer, as only the direct route (as the crow flies) between Lyuban’ and Svyetlahorsk has been calculated here.
Air line (approximately)
118 kilometers
64 nautical miles