| Alenquer to Sabinanigo | 511.82 mi (823.70 km) |
| Alenquer to Sagunto | 468.87 mi (754.58 km) |
| Alenquer to Salamanca | 221.30 mi (356.15 km) |
| Alenquer to Salobrena | 336.02 mi (540.77 km) |
| Alenquer to Salou | 554.28 mi (892.02 km) |
| Alenquer to Salt | 651.57 mi (1,048.60 km) |
| Alenquer to Salvatierra de Mino | 211.33 mi (340.10 km) |
| Alenquer to Sama | 340.93 mi (548.67 km) |
| Alenquer to San Adrian de Besos | 614.45 mi (988.86 km) |
| Alenquer to San Agustin de Guadalix | 307.70 mi (495.19 km) |
| Alenquer to San Andres de la Barca | 602.47 mi (969.58 km) |
| Alenquer to San Andres de Llevaneras | 629.89 mi (1,013.71 km) |
| Alenquer to San Andres del Rabanedo | 304.30 mi (489.72 km) |
| Alenquer to San Bartolome | 855.82 mi (1,377.31 km) |
| Alenquer to San Baudilio de Llobregat | 604.29 mi (972.52 km) |
