| Duluth to Spello | 4,723.16 mi (7,601.19 km) |
| Duluth to Spilamberto | 4,589.63 mi (7,386.30 km) |
| Duluth to Spilimbergo | 4,579.55 mi (7,370.07 km) |
| Duluth to Spinea | 4,584.60 mi (7,378.20 km) |
| Duluth to Spoleto | 4,734.92 mi (7,620.11 km) |
| Duluth to Spoltore | 4,801.92 mi (7,727.95 km) |
| Duluth to Spresiano | 4,573.91 mi (7,361.00 km) |
| Duluth to Squinzano | 5,042.52 mi (8,115.15 km) |
| Duluth to Statte | 5,005.57 mi (8,055.69 km) |
| Duluth to Stezzano | 4,488.36 mi (7,223.32 km) |
| Duluth to Strada | 4,645.64 mi (7,476.44 km) |
| Duluth to Stradella | 4,502.07 mi (7,245.39 km) |
| Duluth to Striano | 4,898.37 mi (7,883.16 km) |
| Duluth to Subiaco | 4,790.04 mi (7,708.83 km) |
| Duluth to Sulmona | 4,814.28 mi (7,747.84 km) |
