| Portet-sur-Garonne to Santeramo in Colle | 807.59 mi (1,299.70 km) |
| Portet-sur-Garonne to Santo Stefano di Magra | 426.14 mi (685.81 km) |
| Portet-sur-Garonne to Santo Stino di Livenza | 574.64 mi (924.79 km) |
| Portet-sur-Garonne to Sarezzo | 456.74 mi (735.05 km) |
| Portet-sur-Garonne to Sarno | 700.99 mi (1,128.14 km) |
| Portet-sur-Garonne to Saronno | 402.52 mi (647.79 km) |
| Portet-sur-Garonne to Sarzana | 428.20 mi (689.13 km) |
| Portet-sur-Garonne to Sassari | 414.13 mi (666.47 km) |
| Portet-sur-Garonne to Sasso Marconi | 493.02 mi (793.44 km) |
| Portet-sur-Garonne to Sassuolo | 471.02 mi (758.03 km) |
| Portet-sur-Garonne to Sava | 856.31 mi (1,378.10 km) |
| Portet-sur-Garonne to Saviano | 693.75 mi (1,116.49 km) |
| Portet-sur-Garonne to Savigliano | 318.64 mi (512.80 km) |
| Portet-sur-Garonne to Savignano sul Panaro | 482.76 mi (776.93 km) |
| Portet-sur-Garonne to Savignano sul Rubicone | 548.86 mi (883.30 km) |
