Stage 1 (Sat, Jul 6): Bruxelles – Bruxelles (192 km)
Stage 2 (Sun, Jul 7): Bruxelles – Bruxelles (TTT, 27 km)
Stage 3 (Mon, Jul 8): Binche – Épernay (214 km)
Stage 4 (Tue, Jul 9): Reims – Nancy (215 km)
Stage 5 (Wed, Jul 10): Saint-Dié-des-Vosges – Colmar (169 km)
Stage 6 (Thu, Jul 11): Mulhouse – La Planche des Belles Filles (157 km)
Stage 7 (Fri, Jul 12): Belfort – Chalon-sur-Saône (230 km)
Stage 8 (Sat, Jul 13): Mâcon – Saint-Étienne (199 km)
Stage 9 (Sun, Jul 14): Saint-Étienne – Brioude (170 km)
Stage 10 (Mon, Jul 15): Saint-Flour – Albi (218 km)
Rest day
Stage 11 (Wed, Jul 17): Albi – Toulouse (167 km)
Stage 12 (Thu, Jul 18): Toulouse – Bagnéres-de-Bigorre (202 km)
Stage 13 (Fri, Jul 19): Pau – Pau (ITT, 27 km)
Stage 14 (Sat, Jul 20): Tarbes – Tourmalet (117 km)
Stage 15 (Sun, Jul 21): Limoux – Foix Prat d’Albis (185 km)
Rest day
Stage 16 (Tue, Jul 23): Nîmes – Nîmes (177 km)
Stage 17 (Wed, Jul 24): Pont du Gard – Gap (206 km)
Stage 18 (Thu, Jul 25): Embrun – Valloire (207 km)
Stage 19 (Fri, Jul 26): Saint-Jean-de-Maurienne – Tignes (123 km)
Stage 20 (Sat, Jul 27): Albertville – Val Thorens (131 km)
Stage 21 (Sun, Jul 28): Rambouillet – Paris (127 km)
Qui brevi descrizioni delle tappe e altimetrie disponibili:
https://www.cyclingweekly.com/news/racing/tour-de-france/tour-de-france-route-192041