The calculated distance (air line) between Vilyeyka and Svyetlahorsk is approximately 173 miles respectively 279 kilometers.
By car or train, the actual journey to Svyetlahorsk is certainly longer, as only the direct route (as the crow flies) between Vilyeyka and Svyetlahorsk has been calculated here.
Air line (approximately)
279 kilometers
150 nautical miles