| Romeoville to Selargius | 4,814.60 mi (7,748.34 km) |
| Romeoville to Selvazzano Dentro | 4,663.35 mi (7,504.93 km) |
| Romeoville to Senago | 4,551.83 mi (7,325.47 km) |
| Romeoville to Senigallia | 4,789.90 mi (7,708.60 km) |
| Romeoville to Seravezza | 4,660.00 mi (7,499.54 km) |
| Romeoville to Seregno | 4,551.76 mi (7,325.36 km) |
| Romeoville to Seriate | 4,570.64 mi (7,355.73 km) |
| Romeoville to Sermoneta | 4,873.99 mi (7,843.93 km) |
| Romeoville to Serramanna | 4,797.35 mi (7,720.59 km) |
| Romeoville to Serravalle Pistoiese | 4,688.00 mi (7,544.61 km) |
| Romeoville to Sessa Aurunca | 4,925.98 mi (7,927.59 km) |
| Romeoville to Sesto Calende | 4,526.16 mi (7,284.15 km) |
| Romeoville to Sesto Fiorentino | 4,705.33 mi (7,572.50 km) |
| Romeoville to Sesto San Giovanni | 4,557.78 mi (7,335.03 km) |
| Romeoville to Sestri Levante | 4,615.29 mi (7,427.58 km) |
