| Sintra to Santander | 433.67 mi (697.93 km) |
| Sintra to Santany | 671.91 mi (1,081.34 km) |
| Sintra to Santiago de Compostela | 285.23 mi (459.04 km) |
| Sintra to Santiago del Teide | 841.59 mi (1,354.41 km) |
| Sintra to Santiponce | 204.78 mi (329.56 km) |
| Sintra to Santomera | 454.06 mi (730.74 km) |
| Sintra to Santona | 444.93 mi (716.05 km) |
| Sintra to Santurce-Antiguo | 455.46 mi (732.99 km) |
| Sintra to Sarria | 293.94 mi (473.04 km) |
| Sintra to Sauzal | 819.51 mi (1,318.88 km) |
| Sintra to Sedavi | 484.41 mi (779.58 km) |
| Sintra to Segorbe | 480.93 mi (773.99 km) |
| Sintra to Segovia | 316.36 mi (509.14 km) |
| Sintra to Senmanat | 637.77 mi (1,026.39 km) |
| Sintra to Sesena | 316.61 mi (509.53 km) |
