| Dumbarton to Spello | 1,177.04 mi (1,894.26 km) |
| Dumbarton to Spilamberto | 1,042.26 mi (1,677.36 km) |
| Dumbarton to Spilimbergo | 1,012.34 mi (1,629.21 km) |
| Dumbarton to Spinea | 1,023.20 mi (1,646.68 km) |
| Dumbarton to Spoleto | 1,190.68 mi (1,916.22 km) |
| Dumbarton to Spoltore | 1,249.93 mi (2,011.58 km) |
| Dumbarton to Spresiano | 1,010.48 mi (1,626.20 km) |
| Dumbarton to Squinzano | 1,481.61 mi (2,384.42 km) |
| Dumbarton to Statte | 1,448.02 mi (2,330.36 km) |
| Dumbarton to Stezzano | 940.77 mi (1,514.02 km) |
| Dumbarton to Strada | 1,104.77 mi (1,777.96 km) |
| Dumbarton to Stradella | 963.19 mi (1,550.11 km) |
| Dumbarton to Striano | 1,355.94 mi (2,182.17 km) |
| Dumbarton to Subiaco | 1,249.76 mi (2,011.30 km) |
| Dumbarton to Sulmona | 1,266.77 mi (2,038.66 km) |
