The calculated distance (air line) between Johor Bahru and Seremban 2 is approximately 153 miles respectively 247 kilometers.
By car or train, the actual journey to Seremban 2 is certainly longer, as only the direct route (as the crow flies) between Johor Bahru and Seremban 2 has been calculated here.
Air line (approximately)
247 kilometers
133 nautical miles