| Rockford to Scottsboro (Alabama) | 550.80 mi (886.43 km) |
| Rockford to Scottsdale (Arizona) | 1,370.10 mi (2,204.96 km) |
| Rockford to Scranton (Pennsylvania) | 691.61 mi (1,113.04 km) |
| Rockford to Seabrook (Maryland) | 678.70 mi (1,092.26 km) |
| Rockford to Seabrook (Texas) | 937.07 mi (1,508.07 km) |
| Rockford to Seaford (New York) | 812.56 mi (1,307.68 km) |
| Rockford to Seagoville (Texas) | 779.60 mi (1,254.64 km) |
| Rockford to Seal Beach (California) | 1,675.04 mi (2,695.71 km) |
| Rockford to Searcy (Arkansas) | 505.72 mi (813.87 km) |
| Rockford to Seaside (California) | 1,779.06 mi (2,863.12 km) |
| Rockford to SeaTac (Washington) | 1,653.45 mi (2,660.96 km) |
| Rockford to Seattle (Washington) | 1,654.73 mi (2,663.02 km) |
| Rockford to Sebastian (Florida) | 1,110.47 mi (1,787.12 km) |
| Rockford to Sebring (Florida) | 1,107.58 mi (1,782.48 km) |
| Rockford to Secaucus (New Jersey) | 781.53 mi (1,257.76 km) |
