1978 Tour de France Route and stages Route and stages

| Stage | Date_ | Route | Terrain | Length_ | Winner_ |
|---|---|---|---|---|---|
| P | 29 June | Leiden | Individual time trial | 5 km (3.1 mi) | Jan Raas (NED) |
| 1A | 30 June | Leiden – St Willebrord | Plain stage | 135 km (84 mi) | Jan Raas (NED) |
| 1B | 30 June | St Willebrord – Brussel | Plain stage | 100 km (62 mi) | Walter Planckaert (BEL) |
| 2 | 1 July | Brussel – St Amand les Eaux | Plain stage | 199 km (124 mi) | Jacques Esclassan (FRA) |
| 3 | 2 July | St Amand les Eaux – St Germain en Laye | Plain stage | 244 km (152 mi) | Klaus-Peter Thaler (GER) |
| 4 | 3 July | Evreux – Caen | Team time trial | 153 km (95 mi) | TI-Raleigh |