| Romeoville to Salisbury (New York) | 757.56 mi (1,219.17 km) |
| Romeoville to Salisbury (North Carolina) | 581.35 mi (935.59 km) |
| Romeoville to Salmon Creek (Washington) | 1,736.31 mi (2,794.32 km) |
| Romeoville to Salt Lake City (Utah) | 1,236.29 mi (1,989.62 km) |
| Romeoville to Sammamish (Washington) | 1,704.78 mi (2,743.57 km) |
| Romeoville to San Angelo (Texas) | 980.72 mi (1,578.32 km) |
| Romeoville to San Anselmo (California) | 1,834.53 mi (2,952.38 km) |
| Romeoville to San Antonio (Texas) | 1,023.08 mi (1,646.49 km) |
| Romeoville to San Benito (Texas) | 1,201.00 mi (1,932.83 km) |
| Romeoville to San Bernardino (California) | 1,664.67 mi (2,679.03 km) |
| Romeoville to San Bruno (California) | 1,835.47 mi (2,953.91 km) |
| Romeoville to San Buenaventura (California) | 1,759.77 mi (2,832.08 km) |
| Romeoville to San Carlos (California) | 1,829.99 mi (2,945.08 km) |
| Romeoville to San Carlos Park (Florida) | 1,106.30 mi (1,780.42 km) |
| Romeoville to San Clemente (California) | 1,702.75 mi (2,740.31 km) |
