| Rockford to Sanford (Maine) | 929.05 mi (1,495.15 km) |
| Rockford to Sanford (North Carolina) | 707.49 mi (1,138.59 km) |
| Rockford to Sanger (California) | 1,661.42 mi (2,673.80 km) |
| Rockford to Santa Ana (California) | 1,666.12 mi (2,681.35 km) |
| Rockford to Santa Barbara (California) | 1,736.22 mi (2,794.17 km) |
| Rockford to Santa Clara (California) | 1,767.34 mi (2,844.26 km) |
| Rockford to Santa Clara (Oregon) | 1,708.87 mi (2,750.16 km) |
| Rockford to Santa Clarita (California) | 1,674.68 mi (2,695.13 km) |
| Rockford to Santa Cruz (California) | 1,780.62 mi (2,865.64 km) |
| Rockford to Santa Fe (New Mexico) | 1,014.32 mi (1,632.40 km) |
| Rockford to Santa Fe (Texas) | 950.74 mi (1,530.06 km) |
| Rockford to Santa Fe Springs (California) | 1,668.63 mi (2,685.39 km) |
| Rockford to Santa Maria (California) | 1,757.21 mi (2,827.95 km) |
| Rockford to Santa Monica (California) | 1,686.69 mi (2,714.47 km) |
| Rockford to Santa Paula (California) | 1,705.45 mi (2,744.66 km) |
