The calculated distance (air line) between Hal Gharghur and Birżebbuġa is approximately 8 miles respectively 13 kilometers.
By car or train, the actual journey to Birżebbuġa is certainly longer, as only the direct route (as the crow flies) between Hal Gharghur and Birżebbuġa has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles