| Williamstown to Spello | 4,332.79 mi (6,972.95 km) |
| Williamstown to Spilamberto | 4,208.51 mi (6,772.94 km) |
| Williamstown to Spilimbergo | 4,235.34 mi (6,816.12 km) |
| Williamstown to Spinea | 4,225.81 mi (6,800.79 km) |
| Williamstown to Spoleto | 4,341.44 mi (6,986.87 km) |
| Williamstown to Spoltore | 4,415.69 mi (7,106.37 km) |
| Williamstown to Spresiano | 4,220.00 mi (6,791.43 km) |
| Williamstown to Squinzano | 4,661.48 mi (7,501.93 km) |
| Williamstown to Statte | 4,619.15 mi (7,433.80 km) |
| Williamstown to Stezzano | 4,113.58 mi (6,620.17 km) |
| Williamstown to Strada | 4,253.23 mi (6,844.90 km) |
| Williamstown to Stradella | 4,116.37 mi (6,624.65 km) |
| Williamstown to Striano | 4,493.61 mi (7,231.76 km) |
| Williamstown to Subiaco | 4,388.53 mi (7,062.66 km) |
| Williamstown to Sulmona | 4,420.85 mi (7,114.67 km) |
