Tierra de Campos
It starts at junction 257 km on the Autovía A-6 north of Madrid in the Tierra de Campos. It heads east and after 39 km reaches Becilla de Valeraduey and a junction with the N-601. The road continues east over an undulating plain and after 61 km reaches Palencia overlooked by the Mirador de Tierra de Campos. The road crosses the Rio Pisuerga the Autovía A-62 and the N-611 / A-67.