| South Portland to San Giovanni Lupatoto | 3,827.69 mi (6,160.07 km) |
| South Portland to San Giovanni Rotondo | 4,161.58 mi (6,697.42 km) |
| South Portland to San Giovanni Valdarno | 3,912.31 mi (6,296.26 km) |
| South Portland to San Giuliano Milanese | 3,753.01 mi (6,039.88 km) |
| South Portland to San Giuliano Terme | 3,858.40 mi (6,209.49 km) |
| South Portland to San Giuseppe Iato | 4,194.05 mi (6,749.68 km) |
| South Portland to San Giuseppe Vesuviano | 4,141.46 mi (6,665.04 km) |
| South Portland to San Giustino | 3,940.73 mi (6,341.99 km) |
| South Portland to San Gregorio di Catania | 4,296.48 mi (6,914.51 km) |
| South Portland to San Lazzaro di Savena | 3,874.91 mi (6,236.07 km) |
| South Portland to San Marco in Lamis | 4,156.91 mi (6,689.91 km) |
| South Portland to San Martino Buon Albergo | 3,829.36 mi (6,162.76 km) |
| South Portland to San Martino di Lupari | 3,853.07 mi (6,200.92 km) |
| South Portland to San Marzano di San Giuseppe | 4,286.29 mi (6,898.12 km) |
| South Portland to San Marzano sul Sarno | 4,148.02 mi (6,675.59 km) |
