The calculated distance (air line) between Muar and Kuala Sungai Baru is approximately 43 miles respectively 69 kilometers.
By car or train, the actual journey to Kuala Sungai Baru is certainly longer, as only the direct route (as the crow flies) between Muar and Kuala Sungai Baru has been calculated here.
Air line (approximately)
69 kilometers
37 nautical miles