The calculated distance (air line) between Ottendorf-Okrilla and Elsterwerda is approximately 23 miles respectively 38 kilometers.
By car or train, the actual journey to Elsterwerda is certainly longer, as only the direct route (as the crow flies) between Ottendorf-Okrilla and Elsterwerda has been calculated here.
Air line (approximately)
38 kilometers
20 nautical miles