| Langley Park to Spello | 4,447.99 mi (7,158.35 km) |
| Langley Park to Spilamberto | 4,323.37 mi (6,957.79 km) |
| Langley Park to Spilimbergo | 4,349.14 mi (6,999.26 km) |
| Langley Park to Spinea | 4,340.05 mi (6,984.64 km) |
| Langley Park to Spoleto | 4,456.72 mi (7,172.40 km) |
| Langley Park to Spoltore | 4,530.85 mi (7,291.71 km) |
| Langley Park to Spresiano | 4,334.09 mi (6,975.04 km) |
| Langley Park to Squinzano | 4,776.70 mi (7,687.35 km) |
| Langley Park to Statte | 4,734.47 mi (7,619.39 km) |
| Langley Park to Stezzano | 4,228.18 mi (6,804.59 km) |
| Langley Park to Strada | 4,368.42 mi (7,030.29 km) |
| Langley Park to Stradella | 4,231.27 mi (6,809.56 km) |
| Langley Park to Striano | 4,609.27 mi (7,417.90 km) |
| Langley Park to Subiaco | 4,504.05 mi (7,248.56 km) |
| Langley Park to Sulmona | 4,536.19 mi (7,300.30 km) |
