| Romeoville to Storm Lake (Iowa) | 370.12 mi (595.64 km) |
| Romeoville to Storrs (Connecticut) | 816.25 mi (1,313.63 km) |
| Romeoville to Stoughton (Wisconsin) | 106.12 mi (170.79 km) |
| Romeoville to Stow (Ohio) | 346.77 mi (558.07 km) |
| Romeoville to Streamwood (Illinois) | 27.18 mi (43.75 km) |
| Romeoville to Streator (Illinois) | 51.58 mi (83.02 km) |
| Romeoville to Streetsboro (Ohio) | 350.81 mi (564.58 km) |
| Romeoville to Strongsville (Ohio) | 325.19 mi (523.34 km) |
| Romeoville to Stuart (Florida) | 1,092.10 mi (1,757.56 km) |
| Romeoville to Stuarts Draft (Virginia) | 541.51 mi (871.47 km) |
| Romeoville to Sturgis (Michigan) | 138.77 mi (223.32 km) |
| Romeoville to Suamico (Wisconsin) | 207.53 mi (333.99 km) |
| Romeoville to Sudley (Virginia) | 592.52 mi (953.57 km) |
| Romeoville to Suffern (New York) | 723.78 mi (1,164.81 km) |
| Romeoville to Suffolk (Virginia) | 701.45 mi (1,128.88 km) |
