| Romeoville to Sanford (Maine) | 890.03 mi (1,432.36 km) |
| Romeoville to Sanford (North Carolina) | 641.71 mi (1,032.73 km) |
| Romeoville to Sanger (California) | 1,709.36 mi (2,750.95 km) |
| Romeoville to Santa Ana (California) | 1,707.39 mi (2,747.78 km) |
| Romeoville to Santa Barbara (California) | 1,780.22 mi (2,864.99 km) |
| Romeoville to Santa Clara (California) | 1,817.66 mi (2,925.24 km) |
| Romeoville to Santa Clara (Oregon) | 1,768.82 mi (2,846.63 km) |
| Romeoville to Santa Clarita (California) | 1,717.74 mi (2,764.43 km) |
| Romeoville to Santa Cruz (California) | 1,830.36 mi (2,945.68 km) |
| Romeoville to Santa Fe (New Mexico) | 1,046.84 mi (1,684.73 km) |
| Romeoville to Santa Fe (Texas) | 932.21 mi (1,500.25 km) |
| Romeoville to Santa Fe Springs (California) | 1,710.43 mi (2,752.66 km) |
| Romeoville to Santa Maria (California) | 1,802.61 mi (2,901.01 km) |
| Romeoville to Santa Monica (California) | 1,729.00 mi (2,782.56 km) |
| Romeoville to Santa Paula (California) | 1,748.83 mi (2,814.48 km) |
