| Boom to Sabinanigo | 632.32 mi (1,017.62 km) |
| Boom to Sagunto | 819.25 mi (1,318.46 km) |
| Boom to Salamanca | 847.04 mi (1,363.19 km) |
| Boom to Salobrena | 1,065.23 mi (1,714.31 km) |
| Boom to Salou | 708.18 mi (1,139.70 km) |
| Boom to Salt | 633.66 mi (1,019.78 km) |
| Boom to Salvatierra de Mino | 869.39 mi (1,399.16 km) |
| Boom to Sama | 714.15 mi (1,149.32 km) |
| Boom to San Adrian de Besos | 674.72 mi (1,085.85 km) |
| Boom to San Agustin de Guadalix | 813.90 mi (1,309.84 km) |
| Boom to San Andres de la Barca | 675.37 mi (1,086.90 km) |
| Boom to San Andres de Llevaneras | 663.14 mi (1,067.21 km) |
| Boom to San Andres del Rabanedo | 749.62 mi (1,206.40 km) |
| Boom to San Bartolome | 1,907.41 mi (3,069.69 km) |
| Boom to San Baudilio de Llobregat | 681.82 mi (1,097.29 km) |
