| Harrow to Spello | 849.07 mi (1,366.44 km) |
| Harrow to Spilamberto | 714.50 mi (1,149.88 km) |
| Harrow to Spilimbergo | 708.26 mi (1,139.83 km) |
| Harrow to Spinea | 708.69 mi (1,140.52 km) |
| Harrow to Spoleto | 861.66 mi (1,386.72 km) |
| Harrow to Spoltore | 926.13 mi (1,490.47 km) |
| Harrow to Spresiano | 699.04 mi (1,124.99 km) |
| Harrow to Squinzano | 1,165.78 mi (1,876.14 km) |
| Harrow to Statte | 1,128.99 mi (1,816.93 km) |
| Harrow to Stezzano | 612.72 mi (986.08 km) |
| Harrow to Strada | 773.46 mi (1,244.76 km) |
| Harrow to Stradella | 629.90 mi (1,013.73 km) |
| Harrow to Striano | 1,026.72 mi (1,652.35 km) |
| Harrow to Subiaco | 918.96 mi (1,478.92 km) |
| Harrow to Sulmona | 940.01 mi (1,512.81 km) |
