| Portet-sur-Garonne to San Giovanni Rotondo | 738.37 mi (1,188.30 km) |
| Portet-sur-Garonne to San Giovanni Valdarno | 506.87 mi (815.72 km) |
| Portet-sur-Garonne to San Giuliano Milanese | 409.35 mi (658.78 km) |
| Portet-sur-Garonne to San Giuliano Terme | 451.85 mi (727.18 km) |
| Portet-sur-Garonne to San Giuseppe Iato | 725.17 mi (1,167.04 km) |
| Portet-sur-Garonne to San Giuseppe Vesuviano | 694.86 mi (1,118.27 km) |
| Portet-sur-Garonne to San Giustino | 539.44 mi (868.15 km) |
| Portet-sur-Garonne to San Gregorio di Catania | 827.63 mi (1,331.94 km) |
| Portet-sur-Garonne to San Lazzaro di Savena | 500.97 mi (806.24 km) |
| Portet-sur-Garonne to San Marco in Lamis | 733.26 mi (1,180.07 km) |
| Portet-sur-Garonne to San Martino Buon Albergo | 495.23 mi (796.99 km) |
| Portet-sur-Garonne to San Martino di Lupari | 534.62 mi (860.39 km) |
| Portet-sur-Garonne to San Marzano di San Giuseppe | 851.85 mi (1,370.92 km) |
| Portet-sur-Garonne to San Marzano sul Sarno | 701.02 mi (1,128.18 km) |
| Portet-sur-Garonne to San Maurizio Canavese | 328.88 mi (529.27 km) |
