The calculated distance (air line) between Pulau Sebang and Johor Bahru is approximately 126 miles respectively 202 kilometers.
By car or train, the actual journey to Johor Bahru is certainly longer, as only the direct route (as the crow flies) between Pulau Sebang and Johor Bahru has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles