Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Stage | Date | Route | Terrain | Length | Winner |
| --- | --- | --- | --- | --- | --- |
| P | 28 June | Plumelec | Individual time trial | km (mi) | Bernard Hinault ( FRA ) |
| 1 | 29 June | Vannes – Lanester | Plain stage | km (mi) | Rudy Matthijs ( BEL ) |
| 2 | 30 June | Lorient – Vitre | Plain stage | km (mi) | Rudy Matthijs ( BEL ) |
| 3 | 1 July | Vitre – Fougères | Team time trial | km (mi) | La Vie Claire |
| 4 | 2 July | Fougères – Pont-Audemer | Plain stage | km (mi) | Gerrit Solleveld ( NED ) |
| 5 | 3 July | Neufchâtel-en-Bray – Roubaix | Plain stage | km (mi) | Henri Manders ( NED ) |
| 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 ) |
| 13 | 11 July | Villard-de-Lans | Individual time trial | km (mi) | Eric Vanderaerden ( BEL ) |
| 14 | 13 July | Autrans – Saint-Étienne | Hilly stage | km (mi) | Luis Alberto Herrera ( COL ) |
| 15 | 14 July | Saint-Étienne – Aurillac | Plain stage | km (mi) | Eduardo Chozas ( ESP ) |
| 16 | 15 July | Aurillac – Toulouse | Plain stage | km (mi) | Frédéric Vichot ( FRA ) |
| 17 | 16 July | Toulouse – Luz Ardiden | Stage with mountain(s) | km (mi) | Pedro Delgado ( ESP ) |
| 18A | 17 July | Luz-Saint-Sauveur – Aubisque | Stage with mountain(s) | km (mi) | Stephen Roche ( IRE ) |
| 18B | 17 July | Laruns – Pau | Stage with mountain(s) | km (mi) | Régis Simon ( FRA ) |
| 19 | 18 July | Pau – Bordeaux | Plain stage | km (mi) | Eric Vanderaerden ( BEL ) |
| 20 | 19 July | Montpon-Ménestérol – Limoges | Plain stage | km (mi) | Johan Lammerts ( NED ) |
| 21 | 20 July | Lac de Vassivière | Individual time trial | km (mi) | Greg LeMond ( USA ) |
| 22 | 21 July | Orléans – Paris ( Champs-Élysées ) | Plain stage | km (mi) | Rudy Matthijs ( BEL ) |
Question:
Which length has a Stage of 9?
Answer:
km (mi)