| Potomac to San Giovanni Lupatoto | 4,303.90 mi (6,926.46 km) |
| Potomac to San Giovanni Rotondo | 4,636.09 mi (7,461.06 km) |
| Potomac to San Giovanni Valdarno | 4,386.76 mi (7,059.82 km) |
| Potomac to San Giuliano Milanese | 4,228.54 mi (6,805.17 km) |
| Potomac to San Giuliano Terme | 4,332.53 mi (6,972.54 km) |
| Potomac to San Giuseppe Iato | 4,661.41 mi (7,501.81 km) |
| Potomac to San Giuseppe Vesuviano | 4,614.19 mi (7,425.82 km) |
| Potomac to San Giustino | 4,415.49 mi (7,106.04 km) |
| Potomac to San Gregorio di Catania | 4,764.89 mi (7,668.35 km) |
| Potomac to San Lazzaro di Savena | 4,350.34 mi (7,001.19 km) |
| Potomac to San Marco in Lamis | 4,631.38 mi (7,453.49 km) |
| Potomac to San Martino Buon Albergo | 4,305.63 mi (6,929.24 km) |
| Potomac to San Martino di Lupari | 4,329.85 mi (6,968.22 km) |
| Potomac to San Marzano di San Giuseppe | 4,760.40 mi (7,661.12 km) |
| Potomac to San Marzano sul Sarno | 4,620.72 mi (7,436.34 km) |
