According to Baidu map, the distance from Xi 'an Kangfu Road to Xi 'an North Station is 16.4km. You can take the subway 1 line to Metro Line 2, which takes about 50 minutes.
Route: Start from Xi 'an Kangfu Road, walk 1. 1 km, take the subway 1 line at Kangfu Road Station (Xianyang West Station direction), pass three stops, get off at Beidajie Station, transfer to Metro Line 2 (Caotan direction), pass nine stops, get off at Xi 'an North Station, and walk/kloc.