The calculated distance (air line) between Johor Bahru and Kuchai Lama is approximately 181 miles respectively 292 kilometers.
By car or train, the actual journey to Kuchai Lama is certainly longer, as only the direct route (as the crow flies) between Johor Bahru and Kuchai Lama has been calculated here.
Air line (approximately)
292 kilometers
157 nautical miles