The calculated distance (air line) between Obrenovac and Bačka Palanka is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to Bačka Palanka is certainly longer, as only the direct route (as the crow flies) between Obrenovac and Bačka Palanka has been calculated here.
Air line (approximately)
92 kilometers
49 nautical miles