1990 Giro d'Italia Route and stages Stage results

| Date_ | Course | Distance | Type_ | Winner |
|---|---|---|---|---|
| 18 May | Bari to Bari | km (mi) | Individual time trial | Gianni Bugno ( ITA ) |
| 19 May | Bari to Sala Consilina | km (mi) | Hilly stage | Giovanni Fidanza ( ITA ) |
| 20 May | Sala Consilina to Mount Vesuvius | km (mi) | Hilly stage | Eduardo Chozas ( ESP ) |
| 21 May | Ercolano to Nola | km (mi) | Plain stage | Stefano Allocchio ( ITA ) |
| 21 May | Nola to Sora | km (mi) | Plain stage | Phil Anderson ( AUS ) |
| 22 May | Sora to Teramo | km (mi) | Hilly stage | Fabrizio Convalle ( ITA ) |