| Rockford to St. George (Utah) | 1,346.68 mi (2,167.27 km) |
| Rockford to St. Helens (Oregon) | 1,681.41 mi (2,705.97 km) |
| Rockford to St. James (New York) | 826.85 mi (1,330.69 km) |
| Rockford to St. John (Indiana) | 99.58 mi (160.26 km) |
| Rockford to St. Joseph (Missouri) | 346.19 mi (557.14 km) |
| Rockford to St. Louis (Missouri) | 257.95 mi (415.13 km) |
| Rockford to St. Louis Park (Minnesota) | 284.23 mi (457.42 km) |
| Rockford to St. Marys (Georgia) | 896.18 mi (1,442.27 km) |
| Rockford to St. Marys (Pennsylvania) | 544.34 mi (876.03 km) |
| Rockford to St. Matthews (Kentucky) | 330.67 mi (532.16 km) |
| Rockford to St. Michael (Minnesota) | 307.65 mi (495.11 km) |
| Rockford to St. Paul (Minnesota) | 274.44 mi (441.67 km) |
| Rockford to St. Peter (Minnesota) | 284.92 mi (458.53 km) |
| Rockford to St. Peters (Missouri) | 253.52 mi (408.00 km) |
| Rockford to St. Petersburg (Florida) | 1,062.25 mi (1,709.53 km) |
