| Rockford to Colton (California) | 1,627.59 mi (2,619.35 km) |
| Rockford to Columbia (Illinois) | 269.56 mi (433.81 km) |
| Rockford to Columbia (Maryland) | 672.36 mi (1,082.06 km) |
| Rockford to Columbia (Missouri) | 285.74 mi (459.85 km) |
| Rockford to Columbia (Pennsylvania) | 671.12 mi (1,080.06 km) |
| Rockford to Columbia (South Carolina) | 719.87 mi (1,158.53 km) |
| Rockford to Columbia (Tennessee) | 471.07 mi (758.11 km) |
| Rockford to Columbia Heights (Minnesota) | 284.29 mi (457.51 km) |
| Rockford to Columbine (Colorado) | 854.34 mi (1,374.92 km) |
| Rockford to Columbus (Georgia) | 711.52 mi (1,145.08 km) |
| Rockford to Columbus (Indiana) | 267.43 mi (430.38 km) |
| Rockford to Columbus (Mississippi) | 605.67 mi (974.73 km) |
| Rockford to Columbus (Nebraska) | 430.40 mi (692.66 km) |
| Rockford to Columbus (Ohio) | 353.10 mi (568.26 km) |
| Rockford to Commack (New York) | 820.61 mi (1,320.65 km) |
