| Rockford to Savannah (Georgia) | 828.65 mi (1,333.59 km) |
| Rockford to Sayreville (New Jersey) | 773.37 mi (1,244.61 km) |
| Rockford to Sayville (New York) | 832.20 mi (1,339.30 km) |
| Rockford to Scaggsville (Maryland) | 672.66 mi (1,082.54 km) |
| Rockford to Scarsdale (New York) | 793.30 mi (1,276.69 km) |
| Rockford to Schaumburg (Illinois) | 52.64 mi (84.72 km) |
| Rockford to Schenectady (New York) | 770.56 mi (1,240.10 km) |
| Rockford to Schererville (Indiana) | 99.00 mi (159.32 km) |
| Rockford to Schertz (Texas) | 1,015.27 mi (1,633.93 km) |
| Rockford to Schiller Park (Illinois) | 64.67 mi (104.08 km) |
| Rockford to Schofield Barracks (Hawaii) | 4,176.57 mi (6,721.53 km) |
| Rockford to Scotchtown (New York) | 757.20 mi (1,218.59 km) |
| Rockford to Scottdale (Georgia) | 640.27 mi (1,030.41 km) |
| Rockford to Scotts Valley (California) | 1,777.47 mi (2,860.56 km) |
| Rockford to Scottsbluff (Nebraska) | 748.35 mi (1,204.35 km) |
