| Guyancourt to Santander | 462.10 mi (743.68 km) |
| Guyancourt to Santany | 652.75 mi (1,050.50 km) |
| Guyancourt to Santiago de Compostela | 652.57 mi (1,050.21 km) |
| Guyancourt to Santiago del Teide | 1,734.22 mi (2,790.96 km) |
| Guyancourt to Santiponce | 882.63 mi (1,420.46 km) |
| Guyancourt to Santomera | 756.21 mi (1,217.00 km) |
| Guyancourt to Santona | 453.42 mi (729.71 km) |
| Guyancourt to Santurce-Antiguo | 448.39 mi (721.62 km) |
| Guyancourt to Sarria | 615.87 mi (991.15 km) |
| Guyancourt to Sauzal | 1,711.67 mi (2,754.66 km) |
| Guyancourt to Sedavi | 656.96 mi (1,057.27 km) |
| Guyancourt to Segorbe | 629.07 mi (1,012.40 km) |
| Guyancourt to Segovia | 619.31 mi (996.68 km) |
| Guyancourt to Senmanat | 494.91 mi (796.48 km) |
| Guyancourt to Sesena | 662.66 mi (1,066.44 km) |
