The calculated distance (air line) between Rengasdengklok and Indramayu is approximately 71 miles respectively 114 kilometers.
By car or train, the actual journey to Indramayu is certainly longer, as only the direct route (as the crow flies) between Rengasdengklok and Indramayu has been calculated here.
Air line (approximately)
114 kilometers
62 nautical miles