| Romeoville to Schaffhausen | 4,448.27 mi (7,158.80 km) |
| Romeoville to Schlieren | 4,453.00 mi (7,166.42 km) |
| Romeoville to Schubelbach | 4,480.28 mi (7,210.31 km) |
| Romeoville to Schwyz | 4,475.81 mi (7,203.12 km) |
| Romeoville to Sierre | 4,460.47 mi (7,178.43 km) |
| Romeoville to Sion | 4,456.52 mi (7,172.08 km) |
| Romeoville to Solothurn | 4,424.72 mi (7,120.90 km) |
| Romeoville to Spiez | 4,450.70 mi (7,162.70 km) |
| Romeoville to Spreitenbach | 4,449.14 mi (7,160.20 km) |
| Romeoville to Stafa | 4,470.08 mi (7,193.90 km) |
| Romeoville to Stans | 4,466.83 mi (7,188.66 km) |
| Romeoville to Steffisburg | 4,446.13 mi (7,155.36 km) |
| Romeoville to Stegen | 4,462.31 mi (7,181.40 km) |
| Romeoville to Steinhaus | 4,462.38 mi (7,181.50 km) |
| Romeoville to Suhr | 4,439.76 mi (7,145.10 km) |
