| Seia to Santander | 290.21 mi (467.05 km) |
| Seia to Santany | 578.54 mi (931.07 km) |
| Seia to Santiago de Compostela | 175.16 mi (281.89 km) |
| Seia to Santiago del Teide | 984.63 mi (1,584.61 km) |
| Seia to Santiponce | 224.79 mi (361.77 km) |
| Seia to Santomera | 391.45 mi (629.99 km) |
| Seia to Santona | 301.80 mi (485.70 km) |
| Seia to Santurce-Antiguo | 313.16 mi (503.98 km) |
| Seia to Sarria | 163.82 mi (263.64 km) |
| Seia to Sauzal | 962.33 mi (1,548.73 km) |
| Seia to Sedavi | 393.66 mi (633.53 km) |
| Seia to Segorbe | 382.92 mi (616.25 km) |
| Seia to Segovia | 191.26 mi (307.80 km) |
| Seia to Senmanat | 519.11 mi (835.43 km) |
| Seia to Sesena | 212.25 mi (341.58 km) |
