The calculated distance (air line) between Mejdan - Obilićevo and Sanski Most is approximately 26 miles respectively 41 kilometers.
By car or train, the actual journey to Sanski Most is certainly longer, as only the direct route (as the crow flies) between Mejdan - Obilićevo and Sanski Most has been calculated here.
Air line (approximately)
41 kilometers
22 nautical miles