1978 Vuelta a España, Stage 11a to Stage 19b

The 1978 Vuelta a España was the 33rd edition of the Vuelta a España, one of cycling's Grand Tours. The Vuelta began in Gijón, with a prologue individual time trial on 25 April, and Stage 10 occurred on 6 May with a stage from Calafell. The race finished in San Sebastián on 14 May.

Stage 11a
6 May 1978 — Calafell to Barcelona, 67 km

Stage 11b
6 May 1978 — Barcelona to Barcelona, 3.8 km (ITT)

Stage 12
7 May 1978 — Bellaterra (Cerdanyola del Vallès) to Tossa de Montbui (Santa Margarida de Montbui), 205 km

Stage 13
8 May 1978 — Igualada to Jaca, 243 km

Stage 14
9 May 1978 — Jaca to Logroño, 219 km

Stage 15
10 May 1978 — Logroño to Miranda de Ebro, 131 km

Stage 16
11 May 1978 — Miranda de Ebro to Bien Aparecida Sanctuary, 208 km

Stage 17
12 May 1978 — Ampuero to Bilbao, 123 km

Stage 18
13 May 1978 — Bilbao to Amurrio, 154 km

Stage 19a
14 May 1978 — Amurrio to San Sebastián, 84 km

Stage 19b
14 May 1978 — San Sebastián to San Sebastián (ITT) 

Stage 19b was annulled.