| Alenquer to Spello | 1,159.38 mi (1,865.84 km) |
| Alenquer to Spilamberto | 1,095.88 mi (1,763.65 km) |
| Alenquer to Spilimbergo | 1,211.55 mi (1,949.80 km) |
| Alenquer to Spinea | 1,166.23 mi (1,876.87 km) |
| Alenquer to Spoleto | 1,158.42 mi (1,864.30 km) |
| Alenquer to Spoltore | 1,230.61 mi (1,980.47 km) |
| Alenquer to Spresiano | 1,175.70 mi (1,892.11 km) |
| Alenquer to Squinzano | 1,435.55 mi (2,310.30 km) |
| Alenquer to Statte | 1,390.30 mi (2,237.46 km) |
| Alenquer to Stezzano | 1,053.39 mi (1,695.27 km) |
| Alenquer to Strada | 1,097.48 mi (1,766.23 km) |
| Alenquer to Stradella | 1,024.82 mi (1,649.29 km) |
| Alenquer to Striano | 1,251.60 mi (2,014.25 km) |
| Alenquer to Subiaco | 1,175.68 mi (1,892.07 km) |
| Alenquer to Sulmona | 1,218.38 mi (1,960.80 km) |
