The calculated distance (air line) between Svyetlahorsk and Staryya Darohi is approximately 68 miles respectively 109 kilometers.
By car or train, the actual journey to Staryya Darohi is certainly longer, as only the direct route (as the crow flies) between Svyetlahorsk and Staryya Darohi has been calculated here.
Air line (approximately)
109 kilometers
59 nautical miles