| Romeoville to Spello | 4,799.47 mi (7,724.01 km) |
| Romeoville to Spilamberto | 4,668.86 mi (7,513.81 km) |
| Romeoville to Spilimbergo | 4,674.38 mi (7,522.68 km) |
| Romeoville to Spinea | 4,673.32 mi (7,520.98 km) |
| Romeoville to Spoleto | 4,809.98 mi (7,740.91 km) |
| Romeoville to Spoltore | 4,880.64 mi (7,854.64 km) |
| Romeoville to Spresiano | 4,664.61 mi (7,506.96 km) |
| Romeoville to Squinzano | 5,125.31 mi (8,248.39 km) |
| Romeoville to Statte | 5,085.76 mi (8,184.74 km) |
| Romeoville to Stezzano | 4,569.47 mi (7,353.85 km) |
| Romeoville to Strada | 4,720.46 mi (7,596.84 km) |
| Romeoville to Stradella | 4,578.61 mi (7,368.56 km) |
| Romeoville to Striano | 4,969.77 mi (7,998.06 km) |
| Romeoville to Subiaco | 4,862.04 mi (7,824.69 km) |
| Romeoville to Sulmona | 4,889.98 mi (7,869.66 km) |
