The calculated distance (air line) between Mahdalynivka and Svitlovodsk is approximately 76 miles respectively 123 kilometers.
By car or train, the actual journey to Svitlovodsk is certainly longer, as only the direct route (as the crow flies) between Mahdalynivka and Svitlovodsk has been calculated here.
Air line (approximately)
123 kilometers
66 nautical miles