The calculated distance (air line) between Halwan and Umm Al Quwain City is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Umm Al Quwain City is certainly longer, as only the direct route (as the crow flies) between Halwan and Umm Al Quwain City has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles