The calculated distance (air line) between Bắc Từ Liêm and Gia Lâm is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Gia Lâm is certainly longer, as only the direct route (as the crow flies) between Bắc Từ Liêm and Gia Lâm has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles