| Boadilla del Monte to Spello | 870.57 mi (1,401.05 km) |
| Boadilla del Monte to Spilamberto | 809.29 mi (1,302.42 km) |
| Boadilla del Monte to Spilimbergo | 928.83 mi (1,494.80 km) |
| Boadilla del Monte to Spinea | 881.82 mi (1,419.15 km) |
| Boadilla del Monte to Spoleto | 869.65 mi (1,399.57 km) |
| Boadilla del Monte to Spoltore | 942.06 mi (1,516.09 km) |
| Boadilla del Monte to Spresiano | 892.23 mi (1,435.90 km) |
| Boadilla del Monte to Squinzano | 1,150.31 mi (1,851.24 km) |
| Boadilla del Monte to Statte | 1,104.88 mi (1,778.13 km) |
| Boadilla del Monte to Stezzano | 771.97 mi (1,242.36 km) |
| Boadilla del Monte to Strada | 809.06 mi (1,302.06 km) |
| Boadilla del Monte to Stradella | 741.29 mi (1,192.99 km) |
| Boadilla del Monte to Striano | 965.92 mi (1,554.50 km) |
| Boadilla del Monte to Subiaco | 887.68 mi (1,428.57 km) |
| Boadilla del Monte to Sulmona | 930.25 mi (1,497.09 km) |
