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