| Guyancourt to Santeramo in Colle | 904.30 mi (1,455.33 km) |
| Guyancourt to Santo Stefano di Magra | 490.12 mi (788.77 km) |
| Guyancourt to Santo Stino di Livenza | 539.44 mi (868.14 km) |
| Guyancourt to Sarezzo | 437.82 mi (704.60 km) |
| Guyancourt to Sarno | 822.88 mi (1,324.30 km) |
| Guyancourt to Saronno | 392.32 mi (631.37 km) |
| Guyancourt to Sarzana | 494.06 mi (795.11 km) |
| Guyancourt to Sassari | 639.93 mi (1,029.87 km) |
| Guyancourt to Sasso Marconi | 529.60 mi (852.30 km) |
| Guyancourt to Sassuolo | 505.12 mi (812.91 km) |
| Guyancourt to Sava | 953.91 mi (1,535.17 km) |
| Guyancourt to Saviano | 814.28 mi (1,310.46 km) |
| Guyancourt to Savigliano | 387.68 mi (623.92 km) |
| Guyancourt to Savignano sul Panaro | 517.63 mi (833.05 km) |
| Guyancourt to Savignano sul Rubicone | 587.61 mi (945.67 km) |
