Table:
text: 1985 Tour de France
Stages
Stage results
Stage Date_ Route Terrain Length_ Winner
6 4 July Roubaix – Reims Plain stage km (mi) Francis Castaing ( FRA )
7 5 July Reims – Nancy Plain stage km (mi) Ludwig Wijnants ( BEL )
8 6 July Sarrebourg – Strasbourg Individual time trial km (mi) Bernard Hinault ( FRA )
9 7 July Strasbourg – Épinal Hilly stage km (mi) Maarten Ducrot ( NED )
10 8 July Épinal – Pontarlier Hilly stage km (mi) Jørgen V. Pedersen ( DEN )
11 9 July Pontarlier – Morzine Avoriaz Stage with mountain(s) km (mi) Luis Alberto Herrera ( COL )
12 10 July Morzine Avoriaz – Lans-en-Vercors Stage with mountain(s) km (mi) Fabio Enrique Parra ( COL )

Question: What length of the 1985 Tour de France has a stage of 9?