The calculated distance (air line) between South Tangerang and Pelabuhanratu is approximately 50 miles respectively 80 kilometers.
By car or train, the actual journey to Pelabuhanratu is certainly longer, as only the direct route (as the crow flies) between South Tangerang and Pelabuhanratu has been calculated here.
Air line (approximately)
80 kilometers
43 nautical miles