| Duncan to Spello | 5,523.35 mi (8,888.98 km) |
| Duncan to Spilamberto | 5,392.66 mi (8,678.65 km) |
| Duncan to Spilimbergo | 5,397.19 mi (8,685.94 km) |
| Duncan to Spinea | 5,396.64 mi (8,685.06 km) |
| Duncan to Spoleto | 5,533.87 mi (8,905.90 km) |
| Duncan to Spoltore | 5,604.49 mi (9,019.55 km) |
| Duncan to Spresiano | 5,387.78 mi (8,670.79 km) |
| Duncan to Squinzano | 5,849.07 mi (9,413.17 km) |
| Duncan to Statte | 5,809.59 mi (9,349.63 km) |
| Duncan to Stezzano | 5,293.18 mi (8,518.55 km) |
| Duncan to Strada | 5,444.35 mi (8,761.83 km) |
| Duncan to Stradella | 5,302.46 mi (8,533.49 km) |
| Duncan to Striano | 5,693.65 mi (9,163.05 km) |
| Duncan to Subiaco | 5,585.94 mi (8,989.70 km) |
| Duncan to Sulmona | 5,613.87 mi (9,034.65 km) |
