| Seia to Sabinanigo | 406.41 mi (654.06 km) |
| Seia to Sagunto | 396.17 mi (637.57 km) |
| Seia to Salamanca | 113.17 mi (182.13 km) |
| Seia to Salobrena | 337.39 mi (542.98 km) |
| Seia to Salou | 464.41 mi (747.40 km) |
| Seia to Salt | 555.47 mi (893.94 km) |
| Seia to Salvatierra de Mino | 122.03 mi (196.39 km) |
| Seia to Sama | 224.34 mi (361.04 km) |
| Seia to San Adrian de Besos | 522.27 mi (840.51 km) |
| Seia to San Agustin de Guadalix | 215.30 mi (346.49 km) |
| Seia to San Andres de la Barca | 509.90 mi (820.60 km) |
| Seia to San Andres de Llevaneras | 536.73 mi (863.78 km) |
| Seia to San Andres del Rabanedo | 186.60 mi (300.30 km) |
| Seia to San Bartolome | 972.57 mi (1,565.20 km) |
| Seia to San Baudilio de Llobregat | 512.71 mi (825.13 km) |
