| Rockford to Saddlebrooke (Arizona) | 1,366.11 mi (2,198.54 km) |
| Rockford to Safety Harbor (Florida) | 1,047.55 mi (1,685.87 km) |
| Rockford to Saginaw (Michigan) | 271.15 mi (436.38 km) |
| Rockford to Saginaw (Texas) | 791.56 mi (1,273.90 km) |
| Rockford to Sahuarita (Arizona) | 1,395.98 mi (2,246.61 km) |
| Rockford to Saks (Alabama) | 615.80 mi (991.03 km) |
| Rockford to Salem (Massachusetts) | 925.26 mi (1,489.06 km) |
| Rockford to Salem (Ohio) | 434.56 mi (699.36 km) |
| Rockford to Salem (Oregon) | 1,696.88 mi (2,730.87 km) |
| Rockford to Salem (Virginia) | 588.46 mi (947.04 km) |
| Rockford to Salem Lakes (Wisconsin) | 51.33 mi (82.60 km) |
| Rockford to Salida (California) | 1,713.62 mi (2,757.81 km) |
| Rockford to Salina (Kansas) | 507.86 mi (817.32 km) |
| Rockford to Salinas (California) | 1,767.68 mi (2,844.80 km) |
| Rockford to Salisbury (Maryland) | 757.99 mi (1,219.87 km) |
