The calculated distance (air line) between Ras Al Khaimah City and Al Manāmah is approximately 32 miles respectively 52 kilometers.
By car or train, the actual journey to Al Manāmah is certainly longer, as only the direct route (as the crow flies) between Ras Al Khaimah City and Al Manāmah has been calculated here.
Air line (approximately)
52 kilometers
28 nautical miles