| Sint-Pieters-Leeuw to Spilamberto | 533.98 mi (859.35 km) |
| Sint-Pieters-Leeuw to Spilimbergo | 509.35 mi (819.71 km) |
| Sint-Pieters-Leeuw to Spinea | 515.83 mi (830.14 km) |
| Sint-Pieters-Leeuw to Spoleto | 682.38 mi (1,098.18 km) |
| Sint-Pieters-Leeuw to Spoltore | 741.23 mi (1,192.89 km) |
| Sint-Pieters-Leeuw to Spresiano | 504.09 mi (811.26 km) |
| Sint-Pieters-Leeuw to Squinzano | 974.78 mi (1,568.76 km) |
| Sint-Pieters-Leeuw to Statte | 940.22 mi (1,513.13 km) |
| Sint-Pieters-Leeuw to Stezzano | 432.90 mi (696.68 km) |
| Sint-Pieters-Leeuw to Strada | 597.39 mi (961.41 km) |
| Sint-Pieters-Leeuw to Stradella | 457.74 mi (736.66 km) |
| Sint-Pieters-Leeuw to Striano | 847.48 mi (1,363.88 km) |
| Sint-Pieters-Leeuw to Subiaco | 741.81 mi (1,193.83 km) |
| Sint-Pieters-Leeuw to Sulmona | 758.08 mi (1,220.01 km) |
| Sint-Pieters-Leeuw to Surbo | 979.30 mi (1,576.04 km) |
