| Rockford to South Fulton (Georgia) | 644.28 mi (1,036.87 km) |
| Rockford to South Gate (California) | 1,674.78 mi (2,695.29 km) |
| Rockford to South Hill (Washington) | 1,652.90 mi (2,660.08 km) |
| Rockford to South Holland (Illinois) | 87.96 mi (141.56 km) |
| Rockford to South Houston (Texas) | 935.57 mi (1,505.66 km) |
| Rockford to South Huntington (New York) | 815.35 mi (1,312.19 km) |
| Rockford to South Jordan (Utah) | 1,189.64 mi (1,914.54 km) |
| Rockford to South Lake Tahoe (California) | 1,629.07 mi (2,621.74 km) |
| Rockford to South Laurel (Maryland) | 676.74 mi (1,089.12 km) |
| Rockford to South Lyon (Michigan) | 276.58 mi (445.11 km) |
| Rockford to South Miami (Florida) | 1,247.36 mi (2,007.44 km) |
| Rockford to South Miami Heights (Florida) | 1,253.00 mi (2,016.51 km) |
| Rockford to South Milwaukee (Wisconsin) | 75.94 mi (122.21 km) |
| Rockford to South Ogden (Utah) | 1,179.57 mi (1,898.33 km) |
| Rockford to South Pasadena (California) | 1,667.54 mi (2,683.65 km) |
