Four teams qualified for the final stage, where they will play-off over two legs for the two remaining promotion spots. As two teams qualified from regional group III, they will be kept apart, so Barcelona B will play Racing Santander, and Valencia Mestalla will meet Albacete. (11.06.17)
Second leg results were as follows (teams promoted in bold):
25 Jun | Barcelona B |
0-0 | Racing Santander |
25 Jun | Albacete |
0-0 | Valencia Mestalla |