The calculated distance (air line) between Sungai Udang and Johor Bahru is approximately 125 miles respectively 201 kilometers.
By car or train, the actual journey to Johor Bahru is certainly longer, as only the direct route (as the crow flies) between Sungai Udang and Johor Bahru has been calculated here.
Air line (approximately)
201 kilometers
108 nautical miles