The calculated distance (air line) between Lusail and Ad Dawḩah al Jadīdah is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to Ad Dawḩah al Jadīdah is certainly longer, as only the direct route (as the crow flies) between Lusail and Ad Dawḩah al Jadīdah has been calculated here.
Air line (approximately)
16 kilometers
9 nautical miles