The calculated distance (air line) between Reshetylivka and Svitlovodsk is approximately 51 miles respectively 82 kilometers.
By car or train, the actual journey to Svitlovodsk is certainly longer, as only the direct route (as the crow flies) between Reshetylivka and Svitlovodsk has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles