The calculated distance (air line) between Mejdan - Obilićevo and Stijena is approximately 58 miles respectively 94 kilometers.
By car or train, the actual journey to Stijena is certainly longer, as only the direct route (as the crow flies) between Mejdan - Obilićevo and Stijena has been calculated here.
Air line (approximately)
94 kilometers
51 nautical miles