The calculated distance (air line) between Mejdan - Obilićevo and Konjic is approximately 86 miles respectively 138 kilometers.
By car or train, the actual journey to Konjic is certainly longer, as only the direct route (as the crow flies) between Mejdan - Obilićevo and Konjic has been calculated here.
Air line (approximately)
138 kilometers
75 nautical miles