From the Manhattan borough of Ny city "streets" are near 20 per mile, although the most important numbered "avenues" are about 6 for each mile. (Centerline to centerline, 42nd Avenue to 22nd Street is alleged to be 5250 feet although 42nd Road to 62nd Road is speculated to be[clarification essential] 5276Â ft 8 in.)[citation desired] Metric mile[