| Romeoville to Saddlebrooke (Arizona) | 1,397.09 mi (2,248.40 km) |
| Romeoville to Safety Harbor (Florida) | 989.39 mi (1,592.27 km) |
| Romeoville to Saginaw (Michigan) | 244.72 mi (393.84 km) |
| Romeoville to Saginaw (Texas) | 790.54 mi (1,272.25 km) |
| Romeoville to Sahuarita (Arizona) | 1,425.58 mi (2,294.25 km) |
| Romeoville to Saks (Alabama) | 560.78 mi (902.48 km) |
| Romeoville to Salem (Massachusetts) | 882.61 mi (1,420.42 km) |
| Romeoville to Salem (Ohio) | 379.75 mi (611.16 km) |
| Romeoville to Salem (Oregon) | 1,757.69 mi (2,828.72 km) |
| Romeoville to Salem (Virginia) | 523.35 mi (842.25 km) |
| Romeoville to Salem Lakes (Wisconsin) | 62.54 mi (100.64 km) |
| Romeoville to Salida (California) | 1,764.07 mi (2,839.00 km) |
| Romeoville to Salina (Kansas) | 538.02 mi (865.86 km) |
| Romeoville to Salinas (California) | 1,816.74 mi (2,923.76 km) |
| Romeoville to Salisbury (Maryland) | 698.66 mi (1,124.39 km) |
